<PAGE> PAGE 1
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000 C000000 0000902719
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 BLACKROCK FLORIDA INVESTMENT QUALITY MUNI
001 B000000 811-7666
001 C000000 2122142189
002 A000000 199 WATER STREET
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10292
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008 B000001 A
008 C000001 801-32183
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10154
010 A000001 PRUDENTIAL MUTUAL FUND MANAGEMENT, INC.
010 B000001 811-31104
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011 B000002 8-13580
011 C010002 ST. LOUIS
<PAGE> PAGE 2
011 C020002 MO
011 C030002 00000
011 A000003 KIDDER PEABODY & CO. INC.
011 B000003 8-4831
011 C010003 NEW YORK
011 C020003 NY
011 C030003 10005
011 A000004 LEHMAN BROTHERS INC.
011 B000004 8-0000
011 C010004 NEW YORK
011 C020004 NY
011 C030004 00000
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011 B000005 8-00000
011 C010005 NEW YORK
011 C020005 NY
011 C030005 10292
011 A000006 JOSEPHTHAL LYON & ROSS, INC.
011 B000006 8-00000
011 C010006 NEW YORK
011 C020006 NY
011 C030006 10292
011 A000007 MORGAN KEEGAN & CO., INC.
011 B000007 8-15001
011 C010007 MEMPHIS
011 C020007 TN
011 C030007 38103
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<PAGE> PAGE 3
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022 A000002 MERRILL,LYNCH,PIERCE,FENNER & SMITH, INC.
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022 C000002 764
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022 B000003 43-0895447
022 C000003 982
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022 B000004 22-2347336
022 C000004 945
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022 A000005 KEMPER SECURITIES GROUP
022 C000005 872
022 D000005 879
022 A000006 RAYMOND (JAMES) & ASSOCIATES
022 C000006 873
022 D000006 869
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022 C000007 1400
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022 A000008 DONALDSON LUFKIN & JENRETTE SECURITIES CORP
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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<PAGE> PAGE 8
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<PAGE> PAGE 9
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SIGNATURE HENRY GABBAY
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000902719
<NAME> THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNICIP
<SERIES>
<NUMBER> 001
<NAME> THE BLACKROCK FLORIDA INVESTMENT QUALITY MUNI
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-1995
<PERIOD-END> APR-30-1995
<INVESTMENTS-AT-COST> 22,607,750
<INVESTMENTS-AT-VALUE> 22,948,453
<RECEIVABLES> 317,402
<ASSETS-OTHER> 32,038
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 23,297,893
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 38,333
<TOTAL-LIABILITIES> 38,333
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 24,096,716
<SHARES-COMMON-STOCK> 1,127,093
<SHARES-COMMON-PRIOR> 1,127,093
<ACCUMULATED-NII-CURRENT> 56,158
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (1,234,017)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 340,703
<NET-ASSETS> 23,259,560
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 693,935
<OTHER-INCOME> 0
<EXPENSES-NET> 94,338
<NET-INVESTMENT-INCOME> 599,597
<REALIZED-GAINS-CURRENT> (289,975)
<APPREC-INCREASE-CURRENT> 1,887,788
<NET-CHANGE-FROM-OPS> 2,197,410
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (612,256)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 1,585,154
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (944,042)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 40,301
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 94,338
<AVERAGE-NET-ASSETS> 13,892,000
<PER-SHARE-NAV-BEGIN> 11.69
<PER-SHARE-NII> 0.53
<PER-SHARE-GAIN-APPREC> 1.42
<PER-SHARE-DIVIDEND> (0.54)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 13.10
<EXPENSE-RATIO> 1.37
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
For period ending (a) April 30, 1995
File number 811-7666
SUB-ITEM 77C
Submission of Matters to a Vote of Security Holders
A Special Meeting of Shareholders was held on February 15, 1995. At such
meeting the shareholders voted on an advisory agreement for the Trust to take
effect after the closing of the acquisition of BlackRock Financial Management
L.P., the Trust's adviser, by PNC Bank, N.A. as follows:
Affirmative Negative
votes cast votes cast
924,093 7,578
The Annual Meeting of Stockholders was held on May 16, 1995. At such
meeting the Stockholders elected Directors and ratified the selection of
independent accountants and voted on 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, as provided in the
Trust's Articles Supplementary, from $50,000 to $25,000 as follows:
Affirmative Negative
votes cast votes cast
Common & Preferred 683,665 11,929
Preferred 165 3
