BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC
N-30D, 1997-12-29
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- --------------------------------------------------------------------------------
        THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
                          ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------




                                                               November 30, 1997

Dear Trust Shareholder:

       U.S.  fixed income  investors have been rewarded with solid total returns
over the past twelve months, as moderate economic growth and low inflation drove
Treasury yields below year-end 1996 levels by October 31, 1997.

       The economy has shown some signs of slowing,  which BlackRock expects may
persist as early  indicators  suggest that holiday  spending may be tepid. We do
not see  immediate  signs  of  inflationary  pressure  nor do we  anticipate  an
imminent change in monetary policy by the Federal Reserve. Our long-term outlook
for the bond market remains  optimistic,  based on the  fundamentally  favorable
backdrop  of slower  economic  growth,  low  inflation  and  declining  Treasury
borrowing.

       This report contains detailed market and portfolio strategy commentary by
your Trust's  managers in addition to the Trust's audited  financial  statements
and a detailed portfolio listing. We thank you for your continued  investment in
the Trust and wish you a successful new year.

Sincerely,

/s/Laurence D. Fink                    /s/Ralph L. Schlosstein
- -------------------                    -----------------------
Laurence D. Fink                       Ralph L. Schlosstein
Chairman                               President


                                       1
<PAGE>



                                                               November 30, 1997

Dear Shareholder:

       We are pleased to present the annual  report for The BlackRock New Jersey
Investment  Quality Municipal Trust Inc. ("the Trust") for the fiscal year ended
October 31, 1997. We would like to take this  opportunity  to review the Trust's
stock price and net asset value (NAV) performance, summarize market developments
and discuss recent portfolio management activity.

       The Trust is a  non-diversified,  actively  managed  closed-end bond fund
whose shares are traded on the American  Stock  Exchange under the symbol "RNJ".
The Trust's  investment  objective  is to provide  high  current  income that is
exempt from regular  federal and New Jersey state income taxes  consistent  with
the  preservation  of capital.  The Trust  seeks to achieve  this  objective  by
investing in investment  grade (rated "AAA" to "BBB" by a major rating agency or
of equivalent quality) municipal debt securities issued by local  municipalities
throughout New Jersey.

       The table below summarizes the performance of the Trust's stock price and
net asset value over the year:

                          ------------------------------------------------------
                          10/31/97   10/31/96   CHANGE   HIGH       LOW
- --------------------------------------------------------------------------------
STOCK PRICE               $12.875    $11.875    8.42%    $12.9375   $11.375
- --------------------------------------------------------------------------------
NET ASSET VALUE (NAV)     $14.19     $13.48     5.27%    $14.20     $13.04
- --------------------------------------------------------------------------------

THE FIXED INCOME MARKETS

       The first half of the Trust's fiscal year was  characterized by increased
concern over potential inflationary pressures.  Bond prices fell and yields rose
between  mid-December 1996 and mid-April 1997, as economic data indicated a very
strong  economy.  In an effort to subdue  this  growth and  pre-emptively  fight
inflation,  the Federal Reserve raised the Federal funds rate by 25 basis points
(1/4%)  to 5.50% at  their  March 25 FOMC  policy  meeting.  During  the  second
quarter,  however, signs of more moderate economic growth began to appear. Lower
factory orders, decreased consumer spending and higher inventories,  in addition
to continued benign inflationary forces,  soothed investor fears over inflation.
Accordingly,  the Federal Reserve left interest rates unchanged at their May 20,
July 2 and September 30 policy meetings. U.S. Treasury yields reflected investor
expectations of Federal Reserve policy  activity.  The yield of the 10-year note
rose from a period low of 6.04% in late November 1996 to 6.98% in mid-April 1997
in response to Federal Reserve  Chairman Alan  Greenspan's  warning of excessive
equity market euphoria and in anticipation of a Federal funds rate increase.  As
economic data softened, the yield of the 10-year fell over 100 basis points from
6.98% to close at 5.83% on October 31, 1997.

       The  municipal  bond market,  represented  by the LEHMAN  MUNICIPAL  BOND
INDEX,  posted a total return of 8.50% for the 12 month period ended October 31,
1997,  underperforming the domestic taxable investment grade market (measured by
the LEHMAN  AGGREGATE  INDEX),  which returned  8.89%.  Despite the rally in the
Treasury  market,  demand for  municipals was  relatively  strong,  particularly
during the summer, when nearly $60 billion worth of municipal issues matured and
were  reinvested back into the market.  However,  the decline in Treasury yields
resulted in a significant increase in new municipal supply during September,  as
municipal issuers refunded higher interest bearing  securities and brought lower
yielding issues to market. During October,  municipals experienced their largest
underperformance versus Treasuries during 1997, as they were unable to keep pace
with the global demand for U.S. Treasuries.


                                       2
<PAGE>

       New  Jersey's  currently  sound  financial  operations  reflect a strong,
diversified  economy which is growing modestly.  The State's  population is also
growing slowly,  while unemployment in New Jersey continues to decline from 1996
levels.  The State's average  unemployment  rate for the first 10 months of 1997
was 5.4% (5.2% in October);  this compares  favorably to 1996's average of 6.3%.
1997 witnessed a significant  increase in the supply of  outstanding  New Jersey
debt,  as the State sold $2.5 billion of bonds in a new pension fund issue.  The
overall  health of the New  Jersey  economy  will  result in an  anticipated  $1
billion operating reserve for fiscal year 1997.

THE TRUST'S PORTFOLIO AND INVESTMENT STRATEGY

       The  Trust's  portfolio  is  actively  managed to  diversify  exposure to
various  sectors,  issuers,  revenue  sources and  security  types.  BlackRock's
investment strategy emphasizes a relative value approach, which allows the Trust
to capitalize upon changing  market  conditions by rotating  municipal  sectors,
credits and coupons.

       Additionally, the Trust employs leverage at about 35% of total net assets
to enhance its income by borrowing at short term  municipal  rates and investing
the proceeds in longer maturity  issues which have higher yields.  The degree to
which the Trust can benefit  from its use of leverage  may affect its ability to
pay high  monthly  income.  Over the past twelve  months,  the  Federal  Reserve
tightened  monetary  policy by raising short term rates 25 basis points to 5.50%
in March.  Typically,  short term municipal  rates (which  determine the Trust's
borrowing  costs) are  approximately  65% of Treasury  rates.  Accordingly,  the
Trust's cost of leverage modestly increased as a result of the Fed's action.

       The main portfolio  management  theme in the Trust over the past year has
been to take  advantage of narrowing  credit  spreads  between  higher and lower
rated  bonds.  To this end,  the Trust has sold lower  rated  credits  (BBB- and
A-rated  issues) in favor of higher  rated  credits (AA and AAA).  Historically,
lower rated bonds yield significantly more than higher rated bonds to compensate
the investor for taking on a higher probability of default.  Over the past year,
this yield advantage has narrowed to levels that we believe do not pay investors
enough to purchase lower credits.  The Trust's current strategy  emphasizes high
credit quality  non-callable and callable premiums in the 7- to 15-year maturity
range.  Prevailing  municipal  market  conditions  do not reward  investors  for
extending beyond this maturity range.

       The  following  charts  compare the Trust's  current and October 31, 1996
asset composition and credit quality allocations:

                                SECTOR BREAKDOWN

- --------------------------------------------------------------------------------
SECTOR                    OCTOBER 31, 1997           OCTOBER 31, 1996
- --------------------------------------------------------------------------------
Special Sales Tax                 21%                        20%
- --------------------------------------------------------------------------------
Transportation                    20%                        21%
- --------------------------------------------------------------------------------
Hospital                          17%                        18%
- --------------------------------------------------------------------------------
University                        10%                        10%
- --------------------------------------------------------------------------------
Power                              7%                         7%
- --------------------------------------------------------------------------------
Housing                            5%                         5%
- --------------------------------------------------------------------------------
Lease Revenue                      5%                         5%
- --------------------------------------------------------------------------------
Sales Tax                          5%                         5%
- --------------------------------------------------------------------------------
Schools                            5%                         5%
- --------------------------------------------------------------------------------
Waste/Pollution                    5%                         4%
- --------------------------------------------------------------------------------



                                       3
<PAGE>

- --------------------------------------------------------------------------------
STANDARD & POOR'S/MOODY'S/FITCH'S
          CREDIT RATING                  OCTOBER 31, 1997       OCTOBER 31, 1996
- --------------------------------------------------------------------------------
             AAA/Aaa                            70%                    70%
- --------------------------------------------------------------------------------
              AA/Aa                             15%                     5%
- --------------------------------------------------------------------------------
               A/A                              --                     10%
- --------------------------------------------------------------------------------
             BBB/Baa                            15%                    15%
- --------------------------------------------------------------------------------

                                                            
       We look  forward to  continuing  to manage the Trust to benefit  from the
opportunities  available to investors in the investment grade municipal  market.
We thank you for your  investment  and  continued  interest in The BlackRock New
Jersey  Investment  Quality  Municipal  Trust Inc.  Please feel free to call our
marketing  center at (800)  227-7BFM  (7236) if you have any specific  questions
which were not addressed in this report.

Sincerely,

/s/Robert Kapito                         /s/Kevin Klingert
- ----------------                         -----------------
Robert Kapito                            Kevin Klingert
Vice Chairman and Portfolio Manager      Managing Director and Portfolio Manager
BlackRock Financial Management, Inc.     BlackRock Financial Management, Inc.

- --------------------------------------------------------------------------------
        THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
- --------------------------------------------------------------------------------
Symbol on American Stock Exchange:                                       RNJ
- --------------------------------------------------------------------------------
Initial Offering Date:                                              May 28, 1993
- --------------------------------------------------------------------------------
Closing Stock Price as of 10/31/97:                                    $12.875
- --------------------------------------------------------------------------------
Net Asset Value as of 10/31/97:                                        $14.19
- --------------------------------------------------------------------------------
Yield on Closing Stock Price as of 10/31/97 ($12.875)1:                 5.39%
- --------------------------------------------------------------------------------
Current Monthly Distribution per Share2:                               $0.0578
- --------------------------------------------------------------------------------
Current Annualized Distribution per Share2:                            $0.6936
- --------------------------------------------------------------------------------

1Yield on Closing Stock Price is calculated by annualizing  the current  monthly
 distribution  per share and  dividing it by the  closing stock price per share.
2The distribution is not constant and is subject to change.


                                       4
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
PORTFOLIO OF INVESTMENTS
OCTOBER 31, 1997
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>

             PRINCIPAL                                                                                     OPTION CALL
  RATING*     AMOUNT                                                                                       PROVISIONS+      VALUE
(UNAUDITED)    (000)               DESCRIPTION                                                             (UNAUDITED)     (NOTE 1)
- ------------------------------------------------------------------------------------------------------------------------------------

                            LONG-TERM INVESTMENTS--147.8%
                            NEW JERSEY--133.3%
<S>          <C>            <C>                                                                         <C>              <C>       
AAA          $1,000         Essex County Util. Auth. Solid Waste Rev., Ser. A, 5.60%, 4/01/16, FSA ..      4/06 at 102   $1,024,860
                            New Jersey Econ. Dev. Auth.,
AAA           1,000           Mkt. Trans. Fac., Ser. A, 5.875%, 7/01/11, MBIA .......................      7/04 at 102    1,066,780
BBB-            500           Trigen-Trenton Proj., 6.20%, 12/01/10 .................................     12/03 at 102      514,390
                            New Jersey Hlth. Care Facs. Fin. Auth. Rev.,
BBB           1,570           Englewood Hosp. & Med. Ctr., 6.50%, 7/01/09 ...........................      7/04 at 102    1,658,250
AAA           1,000           Riverview Med. Ctr., 5.50%, 7/01/13, AMBAC ............................      7/04 at 102    1,025,680
AAA           1,000           St. Josephs Hosp. & Med. Ctr, 5.75%, 7/01/16, CONNIE LEE ..............      7/06 at 102    1,030,830
                            New Jersey Sports & Exposition Auth. Rev., Conv. Ctr. Luxury Tax, Ser. A,
AAA           1,000           5.50%, 7/01/22, MBIA ..................................................      7/02 at 102    1,005,860
AAA           1,000           6.00%, 7/01/12, MBIA ..................................................      7/02 at 102    1,057,590
                            New Jersey St. Ed. Facs. Auth. Rev.,
AAA           1,000           Rowan College, Ser. E, 5.875%, 7/01/16, AMBAC .........................      7/06 at 101    1,059,540
AAA           1,000           Seton Hall University, 5.625%, 7/01/19, MBIA ..........................      7/06 at 101    1,023,230
AAA           1,000         New Jersey St. Hsg. & Mtge. Fin. Home Buyer, Ser. O, 6.35%,
                              10/01/27, MBIA ........................................................   10/05 at 101.5    1,059,120
AAA           1,000         New Jersey St. Tpke. Auth. Rev., Ser. C, 6.50%, 1/01/16, AMBAC ..........     No Opt. Call    1,165,760
                            New Jersey St. Trans. Sys. Auth., Trust Fund, Ser. B,
AAA           1,000           5.50%, 6/15/15, MBIA ..................................................      6/05 at 102    1,027,250
AAA           1,000           5.75%, 6/15/14, MBIA ..................................................      6/05 at 102    1,045,260
AA            1,000         North Brunswick Twnshp. Brd. of Ed., 6.30%, 2/01/05++ ...................     No Opt. Call    1,110,070
                            Port Authority of NY & NJ,
A1            1,000           5.75%, 12/15/20 .......................................................      6/05 at 101    1,034,520
A1            1,000           Ser. 74, 6.75%, 8/01/26 ...............................................      8/01 at 101    1,075,360
AAA           1,000         South Jersey Trans. Auth., Trans. Sys. Rev., Ser. B,
                              6.00%, 11/01/12, MBIA .................................................     11/02 at 102    1,063,990
                                                                                                                        -----------
                                                                                                                         19,048,340
                                                                                                                        -----------
                            PUERTO RICO--14.5%
BBB+          1,000         Puerto Rico Elec. Pwr. Auth. Rev., Ser. U, 6.00%, 7/01/14 ...............      7/04 at 102    1,055,280
AAA           1,000         Puerto Rico Public Bldgs Auth., Rev. Gov't Facs.,
                              Ser. A, 5.50%, 7/01/25, AMBAC .........................................    7/05 at 101.5    1,013,630
                                                                                                                        -----------
                                                                                                                          2,068,910
                                                                                                                        -----------
                            Total Long-Term Investments (cost $19,821,467) ..........................                    21,117,250
                                                                                                                        -----------
</TABLE>



See Notes to Financial Statements.



                                       5
<PAGE>


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
             PRINCIPAL                                                                                     OPTION CALL
  RATING*     AMOUNT                                                                                       PROVISIONS+      VALUE
(UNAUDITED)    (000)               DESCRIPTION                                                             (UNAUDITED)     (NOTE 1)
- ------------------------------------------------------------------------------------------------------------------------------------

<S>          <C>            <C>                                                                         <C>              <C>       
                            SHORT-TERM INVESTMENT**--2.1%
VMIG1        $300           New Jersey Econ. Dev. Auth. Water Facs. Rev., FRDD, 3.90%, 11/03/97,
                              AMBAC (cost $300,000) .................................................                   $   300,000
                                                                                                                        -----------
                            TOTAL INVESTMENTS--149.9% (COST $20,121,467) ............................                    21,417,250
                            Other assets in excess of liabilities--2.6% .............................                       376,904
                            Liquidation value of preferred stock--(52.5)% ...........................                    (7,500,000)
                                                                                                                        -----------
                            NET ASSETS APPLICABLE TO COMMON SHAREHOLDERS--100% ......................                   $14,294,154
                                                                                                                        ===========
</TABLE>


- ----------
 *  Rating: Using the higher of Standard & Poor's, Moody's or Fitch's rating.
**  For  purposes  of  amortized  cost  valuation,  the  maturity  date of these
    instruments  is  considered  to be the earlier of the next date on which the
    security  can be  redeemed  at par or the  next  date on  which  the rate of
    interest is adjusted.
 +  Option call provisions: date (month/year) and prices of the earliest call or
    redemption. There may be other call provisions at varying prices at later
    dates.
++  This bond is prerefunded. See glossary for definition.

- --------------------------------------------------------------------------------
         THE FOLLOWING ABBREVIATIONS ARE USED IN PORTFOLIO DESCRIPTIONS:

            AMBAC      -- American Municipal Bond Assurance Corporation
            CONNIE LEE -- College Construction Loan Insurance Association
            FRDD       -- Floating Rate Daily Demand
            FSA        -- Financial Secur
ity Assurance
            MBIA       -- Municipal Bond Insurance Association
- --------------------------------------------------------------------------------

See Notes to Financial Statements.

                                       6

<PAGE>


- --------------------------------------------------------------------------------
                       THE BLACKROCK NEW JERSEY INVESTMENT
                          QUALITY MUNICIPAL TRUST INC.
                       STATEMENT OF ASSETS AND LIABILITIES
                                OCTOBER 31, 1997
- --------------------------------------------------------------------------------
ASSETS
Investments, at value (cost $20,121,467) (Note 1) ...........      $ 21,417,250
Cash ........................................................            39,151
Interest receivable .........................................           378,359
Deferred organization expenses and other assets .............               520
                                                                   ------------
                                                                     21,835,280
                                                                   ------------

LIABILITIES
Dividends payable-common stock ..............................             7,155
Advisory fee payable (Note 2) ...............................             6,481
Dividends payable-preferred stock ...........................             1,911
Administration fee payable (Note 2) .........................             1,852
Accrued expenses ............................................            23,727
                                                                   ------------
                                                                         41,126
                                                                   ------------

NET INVESTMENT ASSETS .......................................      $ 21,794,154
                                                                   ============
Net investment assets were comprised of:
   Common stock:
      Par value (Note 4) ....................................      $     10,071
      Paid-in capital in excess of par ......................        13,907,459
   Preferred stock (Note 4) .................................         7,500,000
                                                                   ------------
                                                                     21,417,530
   Undistributed net investment income ......................            80,551
   Accumulated net realized loss ............................          (999,710)
   Net unrealized appreciation ..............................         1,295,783
                                                                   ------------
   Net investment assets, October 31, 1997 ..................      $ 21,794,154
                                                                   ============
   Net assets applicable to common shareholders .............      $ 14,294,154
                                                                   ============

Net asset value per share:
   ($14,294,154 / 1,007,093 shares of common
   stock issued and outstanding) ............................            $14.19
                                                                         ======



- --------------------------------------------------------------------------------
                       THE BLACKROCK NEW JERSEY INVESTMENT
                          QUALITY MUNICIPAL TRUST INC.
                             STATEMENT OF OPERATIONS
                      FOR THE YEAR ENDED OCTOBER 31, 1997
- --------------------------------------------------------------------------------

NET INVESTMENT INCOME
Income
   Interest and discount earned ............................          $1,205,106
                                                                      ----------

Expenses
   Investment advisory .....................................              74,638
   Reports to shareholders .................................              25,000
   Administration ..........................................              21,325
   Auction Agent ...........................................              19,000
   Directors ...............................................              13,000
   Transfer agent ..........................................               8,000
   Audit ...................................................               7,000
   Legal ...................................................               6,500
   Custodian ...............................................               2,000
   Miscellaneous ...........................................              26,995
                                                                      ----------
   Total expenses ..........................................             203,458
                                                                      ----------
Net investment income ......................................           1,001,648
                                                                      ----------

UNREALIZED GAIN ON INVESTMENTS
(NOTE 3)
Net change in unrealized appreciation
   on investments ..........................................             671,471
                                                                      ----------

NET INCREASE IN NET INVESTMENT
ASSETS RESULTING FROM OPERATIONS ...........................          $1,673,119
                                                                      ==========

See Notes to Financial Statements.


                                       7
<PAGE>

<TABLE>
<CAPTION>

- --------------------------------------------------------------------------------
THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
STATEMENTS OF CHANGES IN NET INVESTMENT ASSETS
- --------------------------------------------------------------------------------
                                                                            FOR THE YEAR ENDED OCTOBER 31,
INCREASE (DECREASE) IN NET INVESTMENT ASSETS                                      1997            1996
                                                                             ------------    ------------
<S>                                                                          <C>             <C>         
Operations:
   Net investment income .................................................   $  1,001,648    $    988,180
   Net realized loss on investments ......................................           --            (5,965)
   Net change in unrealized appreciation on investments ..................        671,471          20,175
                                                                             ------------    ------------
   Net increase in net investment assets resulting from operations .......      1,673,119       1,002,390
Dividends and distributions:
   To common shareholders from net investment income .....................       (698,299)       (715,788)
   To preferred shareholders from net investment income ..................       (254,564)       (258,030)
   To common shareholders in excess of net realized gain on investments ..           (151)         (8,056)
   To preferred shareholders in excess of net realized gain on investments            (50)         (2,885)
                                                                             ------------    ------------
      Total increase .....................................................        720,055          17,631

NET INVESTMENT ASSETS
Beginning of year ........................................................     21,074,099      21,056,468
                                                                             ------------    ------------
End of year ..............................................................   $ 21,794,154    $ 21,074,099
                                                                             ============    ============
</TABLE>

                       See Notes to Financial Statements.

                                       8
<PAGE>


- --------------------------------------------------------------------------------
THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>


                                                                                                                     FOR THE PERIOD
                                                                               FOR THE YEAR ENDED OCTOBER 31,         JUNE 4, 1993*
PER SHARE OPERATING PERFORMANCE:                                         -----------------------------------------      THROUGH
                                                                           1997       1996       1995        1994   OCTOBER 31, 1993
                                                                           ----       ----       ----        ----   ----------------
<S>                                                                       <C>        <C>        <C>         <C>         <C>   
Net asset value, beginning of period ................................     $13.48     $13.46     $11.44      $14.54      $14.10
                                                                         -------   --------    -------    --------      ------
   Net investment income ............................................        .99        .99        .99         .98         .31
   Net realized and unrealized gain (loss) on investments ...........        .66        .01       2.09       (3.11)        .65
                                                                         -------   --------    -------    --------      ------
Net increase from investment operations .............................       1.65       1.00       3.08       (2.13)        .96
                                                                         -------   --------    -------    --------      ------
Dividends and distributions:
   Dividends from net investment income to:
      Common shareholders ...........................................       (.69)      (.71)      (.77)       (.77)       (.19)
      Preferred shareholders ........................................       (.25)      (.26)      (.29)       (.19)       (.04)
Distributions in excess of net realized gain on investments to:
      Common shareholders ...........................................        ***       (.01)        --          --          --
      Preferred shareholders ........................................        ***        ***         --          --          --
                                                                         -------   --------    -------    --------      ------
Total dividends and distributions ...................................       (.94)      (.98)     (1.06)       (.96)       (.23)
                                                                         -------   --------    -------    --------      ------
Capital charge with respect to issuance of common and preferred stock         --         --         --        (.01)       (.29)
                                                                         -------   --------    -------    --------      ------
Net asset value, end of period** ....................................     $14.19     $13.48     $13.46      $11.44      $14.54#
                                                                         =======   ========    =======    ========      ======
Per share market value, end of period** .............................     $12.88     $11.88     $11.75     $10.625      $14.00
                                                                         =======   ========    =======    ========      ======
TOTAL INVESTMENT RETURN+ ............................................     14.77%      6.26%     18.37%    (22.07)%        .64%
RATIOS TO AVERAGE NET ASSETS OF COMMON SHAREHOLDERS++
Expenses ............................................................      1.48%      1.57%      1.55%       1.35%       1.07%+++
Net investment income before preferred stock dividends ..............      7.28%      7.37%      7.89%       7.42%       5.22%+++
Preferred stock dividends ...........................................      1.85%      1.92%      2.28%       1.48%       0.74%+++
Net investment income available to common shareholders ..............      5.43%      5.45%      5.61%       5.94%       4.48%+++
SUPPLEMENTAL DATA:
Average net assets of common shareholders (in thousands) ............    $13,761    $13,408    $12,580    $ 13,253    $ 14,431
Portfolio turnover rate .............................................         0%        85%       163%         88%          7%
Net assets of common shareholders, end of period (in thousands) .....    $14,294    $13,574    $13,556    $ 11,524    $ 14,646
Asset coverage per share of preferred stock, end of period## ........    $72,654    $70,252    $70,188    $126,828    $147,641
Preferred stock outstanding (in thousands) ..........................    $ 7,500    $ 7,500    $ 7,500    $  7,500    $  7,500

</TABLE>

- ----------

*    Commencement of investment operations.
**   Net asset value and market value are  published in THE WALL STREET  JOURNAL
     each Monday.
***  Actual  amount paid to common  shareholders  for the year ended October 31,
     1997 was  $0.00015  per share,  and the  actual  amount  paid to  preferred
     shareholders was $0.00005 per common share. Actual amount paid to preferred
     shareholders  for the year ended  October  31,  1996 was $0.0029 per common
     share.
#    Net asset value  immediately after the closing of the first public offering
     was $14.01. ## A stock split occurred on July 24, 1995 (Note 4).
+    Total investment  return is calculated  assuming a purchase of common stock
     at the  current  market  value on the first  day and a sale at the  current
     market  price  on the  last  day of each  period  reported.  Dividends  and
     distributions are assumed for purposes of this calculation to be reinvested
     at prices  obtained  under the Trust's  dividend  reinvestment  plan.  This
     calculation  does  not  reflect  brokerage  commissions.  Total  investment
     returns for periods of less than one year are not annualized.
++   Ratios are calculated on the basis of income,  expenses and preferred stock
     dividends  applicable to both the common and preferred  shares  relative to
     the average net assets of common shareholders.
+++  Annualized.
     The information above represents the audited operating performance data for
     a share of common stock  outstanding,  total investment  return,  ratios to
     average net assets and other  supplemental data for the periods  indicated.
     This  information  has been  determined  based upon  financial  information
     provided in the financial  statements and market value data for the Trust's
     common shares.

                       See Notes to Financial Statements.


                                       9
<PAGE>

- --------------------------------------------------------------------------------
THE BLACKROCK NEW JERSEY INVESTMENT
QUALITY MUNICIPAL TRUST INC.
NOTES TO FINANCIAL STATEMENTS
- --------------------------------------------------------------------------------

NOTE 1. ACCOUNTING POLICIES
The BlackRock New Jersey  Investment  Quality Municipal Trust Inc. (the "Trust")
was  organized  in Maryland on April 12, 1993 as a  non-diversified,  closed-end
management  investment company. The Trust had no transactions until May 27, 1993
when it sold 7,093 shares of common  stock for  $100,012 to BlackRock  Financial
Management,  Inc., (the "Adviser").  Investment  operations commenced on June 4,
1993.

       The Trust's investment objective is to provide high current income exempt
from  regular  federal  and New  Jersey  state  income tax  consistent  with the
preservation  of capital.  The ability of issuers of debt securities held by the
Trust to meet their obligations may be affected by economic  developments in the
state, a specific industry or region. No assurance can be given that the Trust's
investment objective will be achieved.

       The following is a summary of significant accounting policies followed by
the Trust.

SECURITIES VALUATION:  Municipal securities  (including  commitments to purchase
such  securities  on a  "when-issued"  basis)  are valued on the basis of prices
provided  by  a  pricing  service  which  uses   information   with  respect  to
transactions  in bonds,  quotations  from bond dealers,  market  transactions in
comparable   securities  and  various   relationships   between   securities  in
determining values. Any securities or other assets for which such current market
quotations  are not readily  available are valued at fair value as determined in
good faith under procedures established by and under the general supervision and
responsibility of the Trust's Board of Directors.

       Short-term  securities  which  mature in more than 60 days are  valued at
current market quotations. Short-term securities which mature in 60 days or less
are valued at amortized  cost if their term to maturity from date of purchase is
60 days or less, or by amortizing their value on the 61st day prior to maturity,
if their original term to maturity from date of purchase exceeded 60 days.

SECURITIES  TRANSACTIONS  AND INVESTMENT  INCOME:  Securities  transactions  are
recorded  on the trade  date.  Realized  and  unrealized  gains and  losses  are
calculated  on the  identified  cost basis.  Interest  income is recorded on the
accrual  basis and the Trust  accretes  original  issue  discounts  or amortizes
premium on securities purchased using the interest method.

FEDERAL INCOME TAXES: For federal income tax purposes, the Trust is treated as a
separate taxpaying entity. It is the intent of the Trust to continue to meet the
requirements  of the Internal  Revenue Code  applicable to regulated  investment
companies  and to  distribute  all of its net income to  shareholders.  For this
reason and because  substantially  all of the Trust's  gross income  consists of
tax-exempt interest, no federal income tax provision is required.

DIVIDENDS  AND  DISTRIBUTIONS:   The  Trust  declares  and  pays  dividends  and
distributions to common  shareholders  monthly from net investment  income,  net
realized short-term capital gains and other sources, if necessary. Net long-term
capital  gains,  if any,  in excess  of loss  carryforwards  may be  distributed
annually.  Dividends and  distributions  are recorded on the  ex-dividend  date.
Dividends and distributions to preferred shareholders are accrued and determined
as described in Note 4.

DEFERRED  ORGANIZATION  EXPENSES:  A total of $16,000 was incurred in connection
with the organization of the Trust. These costs have been deferred and are being
amortized  ratably  over a period  of  sixty  months  from  the  date the  Trust
commenced  investment  operations.

ESTIMATES:  The preparation of financial statements in conformity with generally
accepted  accounting  principles  requires  management  to  make  estimates  and
assumptions  that  affect the  reported  amounts of assets and  liabilities  and
disclosure of  contingent  assets and  liabilities  at the date of the financial
statements  and the  reported  amounts  of  revenues  and  expenses  during  the
reporting period. Actual results could differ from those estimates.

NOTE 2. AGREEMENTS
The  Trust  has  an  Investment  Advisory  agreement  with  BlackRock  Financial
Management,Inc.,  (the "Adviser"),  a wholly-owned  corporate  subsidiary of PNC
Asset  Management  Group,  Inc., the holding company for PNC's asset  management
businesses and an  Administration  Agreement with  Prudential  Investments  Fund
Management LLC ("PIFM"), an indirect,  wholly-owned subsidiary of The Prudential
Insurance Company of America.

       The  investment  fee paid to the Adviser is  computed  weekly and payable
monthly at an annual rate of 0.35% of the Trust's  average weekly net investment
assets.  The administration fee paid to PIFM is also computed weekly and payable
monthly at an annual rate of 0.10% of the Trust's  average weekly net investment
assets.

       Pursuant to the agreements,  the Adviser provides continuous  supervision
of the investment  portfolio and pays the  compensation of officers of the Trust
who are  affiliated  persons of the  Adviser.  PIFM pays  occupancy  and certain
clerical and accounting  costs of the Trust. The Trust bears all other costs and
expenses.

                                       10
<PAGE>
NOTE 3. PORTFOLIO
There were no purchases and  SECURITIES  sales of investment  securities,  other
than short-term investments, for the year ended October 31, 1997.

       The federal  income tax basis of the Trust's  investments  at October 31,
1997 was $20,133,854 and, accordingly, net and gross unrealized appreciation was
$1,283,396.

       For  federal   income  tax  purposes,   the  Trust  had  a  capital  loss
carryforward at October 31, 1997 of approximately $987,000 of which $10,000 will
expire in 2001,  $690,000 will expire in 2002,  $280,000 will expire in 2003 and
$7,000  will  expire in 2004.  Accordingly,  no capital  gains  distribution  is
expected to be paid to shareholders until net gains have been realized in excess
of such amount.

NOTE 4. CAPITAL
There are 200 million shares of $.01 par value common stock  authorized.  Of the
1,007,093  shares  outstanding  at October 31,  1997,  the  Adviser  owned 7,093
shares.  As of October 31, 1997, there were 300 shares of Preferred Stock Series
T7 outstanding.

       The Trust may classify or reclassify any unissued  shares of common stock
into  one or more  series  of  preferred  stock.  On July  29,  1993  the  Trust
reclassified  150 shares of common  stock and issued a series of Auction  Market
Preferred  Stock  ("Preferred  Stock")  Series  T7.  The  Preferred  Stock had a
liquidation  value  of  $50,000  per  share  plus  any  accumulated  but  unpaid
dividends.  On May 16, 1995 shareholders approved a proposal to split each share
of the  Trust's  Auction  Rate  Municipal  Preferred  Stock  into two shares and
simultaneously  reduce  each  share's  liquidation  preference  from  $50,000 to
$25,000 plus any accumulated but unpaid  dividends.  The stock split occurred on
July 24, 1995.

       Dividends  on Series T7 are  cumulative  at a rate which is reset every 7
days based on the results of an  auction.  Dividend  rates  ranged from 3.00% to
3.90% during the year ended October 31, 1997.

       The Trust may not declare dividends or make other distributions on shares
of common stock or purchase any such shares if, at the time of the  declaration,
distribution,  or  purchase,  asset  coverage  with  respect to the  outstanding
Preferred Stock would be less than 200%.

       The Preferred Stock is redeemable at the option of the Trust, in whole or
in part, on any dividend  payment date at $25,000 per share plus any accumulated
or unpaid dividends whether or not declared. The Preferred Stock is also subject
to  mandatory  redemption  at $25,000 per share plus any  accumulated  or unpaid
dividends,  whether or not  declared  if certain  requirements  relating  to the
composition  of the  assets  and  liabilities  of the  Trust as set forth in the
Articles of Incorporation are not satisfied.

       The holders of Preferred Stock have voting rights equal to the holders of
common stock (one vote per share) and will vote  together with holders of shares
of common stock as a single class. However,  holders of Preferred Stock are also
entitled to elect two of the Trust's  directors.  In  addition,  the  Investment
Company Act of 1940 requires that along with approval by stockholders that might
otherwise  be  required,  the  approval  of the  holders  of a  majority  of any
outstanding  preferred shares, voting separately as a class would be required to
(a) adopt any plan of  reorganization  that would adversely affect the preferred
shares and (b) take any action requiring a vote of security holders,  including,
among other  things,  changes in the Trust's  subclassification  as a closed-end
investment company or changes in its fundamental investment restrictions.

NOTE 5. DIVIDENDS
Subsequent to October 31, 1997,  the Board of Directors of the Trust  declared a
dividend  from  undistributed  earnings  of  $0.0578  per common  share  payable
November 28, 1997 to shareholders of record on November 14, 1997.

       For the period  November 1, 1997 through  November  30,  1997,  dividends
declared on Preferred  Stock totalled  $19,908 in aggregate for the  outstanding
Preferred Stock.

                                       11
<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
                         REPORT OF INDEPENDENT AUDITORS
- --------------------------------------------------------------------------------

The Shareholders and Board of Directors of
The BlackRock New Jersey Investment Quality Municipal Trust Inc.:

We have audited the accompanying statement of assets and liabilities,  including
the portfolio of  investments,  of The BlackRock New Jersey  Investment  Quality
Municipal  Trust Inc.  as of October  31,  1997 and the  related  statements  of
operations for the year then ended and of changes in net  investment  assets for
each of the two years in the period then ended and the financial  highlights for
each of the four years in the period  then ended and for the period June 4, 1993
(commencement  of investment  operations) to October 31, 1993.  These  financial
statements  and  financial  highlights  are the  responsibility  of the  Trust's
management.  Our  responsibility  is to express  an  opinion on these  financial
statements and financial highlights based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable  assurance  about  whether the  financial  statements  and  financial
highlights are free of material misstatement.  An audit includes examining, on a
test basis,  evidence  supporting  the amounts and  disclosures in the financial
statements.  Our procedures included confirmation of securities owned at October
31, 1997, by correspondence  with the custodian and brokers;  where replies were
not received from brokers, we performed other auditing procedures. An audit also
includes assessing the accounting principles used and significant estimates made
by  management,   as  well  as  evaluating  the  overall   financial   statement
presentation.  We believe  that our audits  provide a  reasonable  basis for our
opinion.

In our opinion,  such  financial  statements  and financial  highlights  present
fairly, in all material  respects,  the financial  position of The BlackRock New
Jersey  Investment  Quality  Municipal  Trust Inc. at October 31, 1997,  and the
results of its  operations,  the  changes in its net  investment  assets and its
financial  highlights  for the  respective  stated  periods in  conformity  with
generally accepted accounting principles.

/s/Deloitte & Touche LLP
- ------------------------
Deloitte & Touche LLP
New York, New York
December 12, 1997


                                       12
<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
                                 TAX INFORMATION
- --------------------------------------------------------------------------------

       We are required by the Internal Revenue Code to advise you within 60 days
of the Trust's  fiscal year end  (October 31, 1997) as to the federal tax status
of dividends you received during such fiscal year.The dividend paid December 27,
1996 to common  shareholders of record on December 13, 1996 included  $0.0079993
per share of taxable  ordinary  income.  The dividend  paid December 11, 1996 to
preferred  shareholders  of record on December  10, 1996  included  $9.61667 per
share of taxable  ordinary  income.  All other dividends paid to both common and
preferred shareholders consisted of federal tax-exempt interest.

- --------------------------------------------------------------------------------
                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------

       Pursuant  to  the  Trust's  Dividend   Reinvestment  Plan  (the  "Plan"),
shareholders will  automatically have all distributions of dividends and capital
gains  reinvested  by State Street Bank and Trust  Company (the "Plan Agent") in
Trust  shares  pursuant to the Plan  unless an election is made to receive  such
amounts in cash.  The Plan Agent will affect  purchases of shares under the Plan
in the open market.  Shareholders  who elect not to participate in the Plan will
receive all  distributions in cash paid by check in United States dollars mailed
directly to the  shareholders  of record (or if the shares are held in street or
other  nominee  name,  then to the nominee) by the transfer  agent,  as dividend
disbursing agent.

       The Plan Agent serves as agent for the shareholders in administering  the
Plan.  After the Trust  declares a dividend or determines to make a capital gain
distribution,  the Plan Agent will, as agent for the  participants,  receive the
cash payment and use it to buy Trust shares in the open market,  on the American
Stock Exchange or elsewhere,  for the participants' accounts. The Trust will not
issue any new shares in connection with the Plan.

       Participants  in the Plan may withdraw from the Plan upon written  notice
to the Plan Agent and will  receive  certificates  for whole Trust  shares and a
cash payment for any fraction of a Trust share.

       The Plan Agent's fees for the handling of the  reinvestment  of dividends
and distributions will be paid by the Trust.  However, each participant will pay
a pro rata share of  brokerage  commissions  incurred  with  respect to the Plan
Agent's open market  purchases in connection with the  reinvestment of dividends
and  distributions.  The automatic  reinvestment of dividends and  distributions
will not relieve  participants of any federal,  state or local income taxes that
may be payable on such dividends or distributions.

       Experience  under  the Plan may  indicate  that  changes  are  desirable.
Accordingly,  the Trust  reserves  the right to amend or  terminate  the Plan as
applied to any dividend or distribution paid subsequent to written notice of the
change sent to all  shareholders of the Trust at least 90 days before the record
date for the dividend or distribution.  The Plan also may be amended by the Plan
Agent upon at least 90 days' written  notice to all  shareholders  of the Trust.
The Plan may be  terminated by the Plan Agent or the Trust upon at least 30 days
written notice to all shareholders of the Trust. All  correspondence  concerning
the Plan should be directed to the Plan Agent at (800)  699-1BFM.  The addresses
are on the front of this report.

- --------------------------------------------------------------------------------
                             ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

       There have been no material changes in the Trust's investment  objectives
or policies that have not been approved by the  shareholders,  or to its charter
or by-laws,  or in the principal risk factors  associated with investment in the
Trust.  There have been no changes in the persons who are primarily  responsible
for the day-to-day management of the Trust's portfolio.

                                       13
<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------

THE TRUST'S INVESTMENT OBJECTIVE

The  BlackRock  New  Jersey  Investment  Quality  Municipal  Trust's  investment
objective is to provide high current  income exempt from regular  Federal income
tax and New Jersey gross income tax consistent with the preservation of capital.

WHO MANAGES THE TRUST?

BlackRock  Financial  Management,  Inc.  ("BlackRock"  or the  "Adviser") is the
investment adviser for the Trust.  BlackRock is a registered  investment adviser
specializing in fixed income securities.  Currently,  BlackRock manages over $50
billion of assets  across the  government,  mortgage,  corporate  and  municipal
sectors.  These  assets are managed on behalf of  institutional  and  individual
investors in 21 closed-end funds traded on either the New York or American Stock
Exchanges,  several  open-end  funds and over 125 separate  accounts for various
clients  in the U.S.  and  overseas.  BlackRock  is a  subsidiary  of PNC  Asset
Management  Group  which is a division  of PNC Bank,  N.A.,  one of the  nations
largest banking organizations.

WHAT CAN THE TRUST INVEST IN?

Under normal  conditions,  the Trust expects to continue to manage its assets so
that at least 80% of its investments are rated at least  investment grade ("BBB"
by Standard & Poor's and "Baa" by Moody's  Investor  Services)  and up to 20% of
its  assets  may  instead be deemed to be of  equivalent  credit  quality by the
Adviser.  The Trust  intends  to  invest  substantially  all of the  assets in a
portfolio of investment  grade New Jersey Municipal  Obligations,  which include
debt  obligations   issued  by  or  on  behalf  of  New  Jersey,  its  political
subdivisions,  agencies and  instrumentalities  and by other qualifying  issuers
that pay interest  which,  in the opinion of the bond counsel of the issuer,  is
exempt from  regular  Federal  income tax and New Jersey  gross  income tax. New
Jersey  Municipal  Obligations  are issued to obtain  funds for  various  public
functions,  including the construction of public facilities,  the refinancing of
outstanding  obligations,  the obtaining of funds for general operating expenses
and for loans to other public institutions and facilities.

WHAT IS THE ADVISER'S INVESTMENT STRATEGY?

The Adviser will manage the assets of the Trust in  accordance  with the Trust's
investment  objective and policies to seek to achieve its objective by investing
in  investment  grade New Jersey  Municipal  Obligations.  The Adviser  actively
manages the assets in relation to market  conditions  and interest rate changes.
Depending  on yield and  portfolio  allocation  considerations,  the Adviser may
choose  to invest a  portion  of the  Trust's  assets  in  securities  which pay
interest that is subject to AMT (alternative  minimum tax). The Trust intends to
emphasize  investments  in  New  Jersey  Municipal  Obligations  with  long-term
maturities and expects to maintain an average portfolio maturity of 15-20 years,
but the  average  maturity  may be  shortened  or  lengthened  from time to time
depending on market conditions.

Under current market conditions the use of leverage  increases the income earned
by the Trust.  The Trust  employs  leverage  primarily  through the  issuance of
preferred  stock.   Preferred  stockholders  will  receive  dividends  based  on
short-term rates in exchange for allowing the Trust to borrow additional assets.
These assets will be invested in longer-term assets which typically offer higher
interest  rates and the  difference  between the cost of the  dividends  paid to
preferred  stockholders  and the interest earned on the  longer-term  securities
will provide higher income levels for common  stockholders in most interest rate
environments.  The Trust issued  preferred  stock to leverage  the  portfolio at
approximately  35% of total assets.  See "Leverage  Considerations in the Trust"
below.

HOW ARE THE TRUST'S  SHARES  PURCHASED  AND SOLD?  DOES THE TRUST PAY  DIVIDENDS
REGULARLY?

The Trust's  shares are traded on the American  Stock  Exchange  which  provides
investors with  liquidity on a daily basis.  Orders to buy or sell shares of the
Trust must be placed through a registered broker or financial advisor. The Trust
pays monthly  dividends which are typically paid on the last business day of the
month. For shares held in the shareholder's name, dividends may be reinvested in
additional  shares of the fund through the Trust's transfer agent,  State Street
Bank and Trust Company. Investors who wish to hold shares in a brokerage account
should check with their financial  advisor to determine  whether their brokerage
firm offers dividend reinvestment services.


                                       14
<PAGE>

LEVERAGE CONSIDERATIONS IN THE TRUST

Leverage  increases  the duration (or price  sensitivity  of the net assets with
respect to changes  in  interest  rates) of the  Trust,  which can  improve  the
performance  of the fund in a  declining  rate  environment,  but can  cause net
assets to decline  faster in a rapidly  rising  interest rate  environment.  The
Trust may reduce,  or unwind,  the amount of leverage  employed should BlackRock
consider that  reduction to be in the best  interests of the Trust.  BlackRock's
portfolio managers  continuously monitor and regularly review the Trust's use of
leverage  and  maintain  the  ability to unwind the  leverage  if that course is
chosen.

SPECIAL CONSIDERATIONS AND RISK FACTORS RELEVANT TO THE TRUST

THE TRUST IS  INTENDED  TO BE A  LONG-TERM  INVESTMENT  AND IS NOT A  SHORT-TERM
TRADING VEHICLE.

INVESTMENT  OBJECTIVE.  Although  the  objective of the Trust is to provide high
current  income  exempt from  regular  Federal  income tax and New Jersey  gross
income  tax  consistent  with  the  preservation  of  capital,  there  can be no
assurance that this objective will be achieved.

DIVIDEND  CONSIDERATIONS.  The income and dividends paid by the Trust are likely
to vary over time as fixed income market conditions change. Future dividends may
be higher or lower than the dividend the Trust is currently paying.

LEVERAGE.  The Trust utilizes leverage through  preferred stock,  which involves
special risks. The Trust's net asset value and market value may be more volatile
due to its use of leverage.

MARKET PRICE OF SHARES.  The shares of closed-end  investment  companies such as
the Trust trade on the American Stock  Exchange  (AMEX symbol:  RNJ) and as such
are subject to supply and demand influences.  As a result, shares may trade at a
discount or a premium to their net asset value.

INVESTMENT GRADE MUNICIPAL  OBLIGATIONS.  The value of municipal debt securities
generally  varies  inversely with changes in prevailing  market  interest rates.
Depending  on the amount of call  protection  that the  securities  in the Trust
have, the Trust may be subject to certain  reinvestment risks in environments of
declining interest rates.

ILLIQUID  SECURITIES.  The Trust may  invest in  securities  that are  illiquid,
although  under current  market  conditions the Trust expects to do so to only a
limited extent. These securities involve special risks.

ANTITAKEOVER  PROVISIONS.  Certain antitakeover provisions will make a change in
the Trust's  business or management  more difficult  without the approval of the
Trust's Board of Directors and may have the effect of depriving  shareholders of
an  opportunity  to sell their shares at a premium above the  prevailing  market
price.

                                       15
<PAGE>

- --------------------------------------------------------------------------------
        THE BLACKROCK NEW JERSEY INVESTMENT QUALITY MUNICIPAL TRUST INC.
                                    GLOSSARY
- --------------------------------------------------------------------------------

CLOSED-END FUND:         Investment  vehicle  which  initially  offers  a  fixed
                         number of shares  and trades on a stock  exchange.  The
                         fund invests in a portfolio of securities in accordance
                         with its stated investment objectives and policies.

DISCOUNT:                When a fund's net asset value is greater than its stock
                         price the fund is said to be trading at a discount.

DIVIDEND:                Income  generated  by  securities  in a  portfolio  and
                         distributed  to  shareholders  after the  deduction  of
                         expenses.  This Trust  declares  and pays  dividends to
                         common shareholders on a monthly basis.

DIVIDEND REINVESTMENT:   Shareholders  may have all dividends and  distributions
                         of  capital   gains   automatically   reinvested   into
                         additional shares of the Trust.

MARKET PRICE:            Price per share of a security  trading in the secondary
                         market.  For a  closed-end  fund,  this is the price at
                         which  one  share  of the  fund  trades  on  the  stock
                         exchange.  If you were to buy or sell shares, you would
                         pay or receive the market price.

NET ASSET VALUE (NAV):   Net  asset  value  is the  total  market  value  of all
                         securities  and other  assets  held by the Trust,  plus
                         income   accrued   on  its   investments,   minus   any
                         liabilities including accrued expenses,  divided by the
                         total  number  of   outstanding   shares.   It  is  the
                         underlying  value of a single share on a given day. Net
                         asset  value for the  Trust is  calculated  weekly  and
                         published  in  BARRON'S  on  Saturday  and THE NEW YORK
                         TIMES or THE WALL STREET JOURNAL each Monday.

PREMIUM:                 When a fund's stock price is greater than its net asset
                         value, the fund is said to be trading at a premium.

PREREFUNDED BONDS:       These securities are collateralized by U.S.  Government
                         securities which are held in escrow and are used to pay
                         principal  and  interest  on the tax  exempt  issue and
                         retire  the  bond  in  full  at  the  date   indicated,
                         typically at a premium to par.

                                       16
<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                           SUMMARY OF CLOSED-END FUNDS
- --------------------------------------------------------------------------------

TAXABLE TRUSTS
- --------------------------------------------------------------------------------

                                                                 STOCK  MATURITY
PERPETUAL TRUSTS                                                 SYMBOL   DATE
                                                                 ------ --------
The BlackRock Income Trust Inc.                                    BKT    N/A
The BlackRock North American Government Income Trust Inc.          BNA    N/A

TERM TRUSTS

The BlackRock 1998 Term Trust Inc.                                 BBT    12/98
The BlackRock 1999 Term Trust Inc.                                 BNN    12/99
The BlackRock Target Term Trust Inc.                               BTT    12/00
The BlackRock 2001 Term Trust Inc.                                 BLK    06/01
The BlackRock Strategic Term Trust Inc.                            BGT    12/02
The BlackRock Investment Quality Term Trust Inc.                   BQT    12/04
The BlackRock Advantage Term Trust Inc.                            BAT    12/05
The BlackRock Broad Investment Grade 2009 Term Trust Inc.          BCT    12/09


TAX-EXEMPT TRUSTS
- --------------------------------------------------------------------------------

                                                                 STOCK  MATURITY
PERPETUAL TRUSTS                                                 SYMBOL   DATE
                                                                 ------ --------
The BlackRock Investment Quality Municipal Trust Inc.              BKN    N/A
The BlackRock California Investment Quality Municipal Trust Inc.   RAA    N/A
The BlackRock Florida Investment Quality Municipal Trust           RFA    N/A
The BlackRock New Jersey Investment Quality Municipal Trust Inc.   RNJ    N/A
The BlackRock New York Investment Quality Municipal Trust Inc.     RNY    N/A
                                                                          
TERM TRUSTS                                                               
The BlackRock Municipal Target Term Trust Inc.                     BMN    12/06
The BlackRock Insured Municipal 2008 Term Trust Inc.               BRM    12/08
The BlackRock California Insured Municipal 2008 Term Trust Inc.    BFC    12/08
The BlackRock Florida Insured Municipal 2008 Term Trust            BRF    12/08
The BlackRock New York Insured Municipal 2008 Term Trust Inc.      BLN    12/08
The BlackRock Insured Municipal Term Trust Inc.                    BMT    12/10
                                                                         


                      IF YOU WOULD LIKE FURTHER INFORMATION
                 PLEASE CALL BLACKROCK AT (800) 227-7BFM (7236)
                     OR CONSULT WITH YOUR FINANCIAL ADVISOR.

                                       17
<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                                   AN OVERVIEW
- --------------------------------------------------------------------------------

       BlackRock  Financial  Management  (BlackRock) is a registered  investment
adviser which specializes in managing high quality fixed income securities, both
taxable and tax exempt.  BlackRock  currently manages over $50 billion of assets
across the government,  mortgage,  corporate and municipal sectors. These assets
are managed on behalf of many  individual  investors  in  twenty-one  closed-end
funds  traded on either the New York or American  stock  exchanges,  and several
open-end  funds  and on behalf of more  than 125  institutional  clients  in the
United States and overseas.

       BlackRock  was formed in April  1988 by fixed  income  professionals  who
sought to create an asset management firm  specializing in managing fixed income
securities for individuals and  institutional  investors.  The  professionals at
BlackRock have extensive experience creating, analyzing and trading a variety of
fixed income instruments,  including the most complex structured securities.  In
fact, individuals at BlackRock are responsible for many of the major innovations
in the  mortgage-backed  and  asset-backed  securities  markets,  including  the
creation of the CMO, the floating rate CMO, the senior/subordinated pass-through
and the multi-class asset-backed security.

       BlackRock is unique  among asset  management  and  advisory  firms in the
significant  emphasis it places on the  development  of  proprietary  analytical
capabilities.  A quarter of the professionals at BlackRock work full-time in the
design,  maintenance  and use of such systems  which are otherwise not generally
available to investors.  BlackRock's  proprietary  analytical tools are used for
evaluating,  investing in and designing investment  strategies and portfolios of
fixed  income  securities,   including  mortgage   securities,   corporate  debt
securities or tax-exempt securities and a variety of hedging instruments.

       BlackRock has developed  investment  products which respond to investors'
needs and has been  responsible  for several  major  innovations  in  closed-end
funds.  BlackRock  introduced  the first  closed-end  mortgage  fund,  the first
taxable  and  tax-exempt  closed-end  funds to offer a finite  term,  the  first
closed-end  fund to achieve a AAAf  rating by  Standard & Poor's,  and the first
closed-end  fund to invest  primarily in North American  Government  securities.
BlackRock's  closed-end funds currently have dividend  reinvestment  plans which
are  designed  to  provide  an  ongoing  source of  demand  for the stock in the
secondary market. BlackRock manages a ladder of alternative investment vehicles,
with each fund having specific investment objectives and policies.

       In view of our continued desire to provide a high level of service to all
our shareholders, BlackRock maintains a toll-free number for your questions. The
number is (800) 227-7BFM (7236).  We encourage you to call us with any questions
you may have about your  BlackRock  funds and thank you for the continued  trust
you place in our abilities.

                      IF YOU WOULD LIKE FURTHER INFORMATION
           PLEASE DO NOT HESITATE TO CALL BLACKROCK AT (800) 227-7BFM


                                       18
<PAGE>

BLACKROCK

DIRECTORS
Laurence D. Fink, CHAIRMAN
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Grosfeld
James Clayburn La Force, Jr.
Walter F. Mondale
Ralph L. Schlosstein

OFFICERS
Ralph L. Schlosstein, PRESIDENT
Keith T. Anderson, VICE PRESIDENT
Michael C. Huebsch, VICE PRESIDENT
Robert S. Kapito, VICE PRESIDENT
Kevin Klingert, VICE PRESIDENT
Richard M. Shea, VICE PRESIDENT/TAX
Henry Gabbay, TREASURER
James Kong, ASSISTANT TREASURER
Karen H. Sabath, SECRETARY

INVESTMENT ADVISER
BlackRock Financial Management, Inc.
345 Park Avenue
New York, NY 10154
(800) 227-7BFM

ADMINISTRATOR
Prudential Investments Fund Management LLC
Gateway Center Three
100 Mulberry Street
Newark, NJ 07102-4077

CUSTODIAN AND TRANSFER AGENT
State Street Bank and Trust Company
One Heritage Drive
North Quincy, MA 02171
(800) 699-1BFM

AUCTION AGENT
Bankers Trust Company
4 Albany Street
New York, NY 10006

INDEPENDENT AUDITORS
Deloitte & Touche LLP
Two World Financial Center
New York, NY 10281-1434

LEGAL COUNSEL
Skadden, Arps, Slate, Meagher & Flom LLP
919 Third Avenue
New York, NY 10022

   This report is for shareholder information. This is not a prospectus intended
for use in the purchase or sale of any securities.

                       THE BLACKROCK NEW JERSEY INVESTMENT
                          QUALITY MUNICIPAL TRUST INC.
                 c/o Prudential Investments Fund Management LLC
                              Gateway Center Three
                               100 Mulberry Street
                              Newark, NJ 07102-4077
                                 (800) 227-7BFM

                                                                     09247C-10-7
[Recycle Logo]  Printed on recycled paper                            09247C-20-6

THE BLACKROCK
NEW JERSEY
INVESTMENT QUALITY
MUNICIPAL TRUST INC.
- --------------------
ANNUAL REPORT
OCTOBER 31, 1997



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