SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
Name of
Issuer: QUESTAR CORP.
________________________________________________
Title of Class
of Securities: Common Stock
CUSIP Number: 748356102
1) NAME OF I.R.S. IDENTIFICATION NO. OF REPORTING PERSON
The Prudential Insurance Company of America 22-1211670
2.) MEMBER OF A GROUP: (a) N/A
(b) N/A
3) SEC USE ONLY:
4) PLACE OF ORGANIZATION: A mutual insurance company organized
under the laws of the State of New Jersey
NUMBER OF SHARES BENEFICIALLY OWNED BY REPORTING PERSON WITH:
5) Sole Voting Power: 26,000 See Exhibit A
6) Shared Voting Power 4,377,616 See Exhibit A
7) Sole Dispositive Power: 26,000 See Exhibit A
8) Shared Dispositive Power: 4,377,616 See Exhibit A
9) AGGREGATE AMOUNT BENEFICIALLY OWNED:
4,403,616 See Exhibit A
10) AGGREGATE AMOUNT IN ROW (9) EXCLUDES SHARES: Not Applicable
11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
5.34 See Exhibit A
12) TYPE OF REPORTING PERSON: IC, IA
ITEM 1(a). NAME OF ISSUER:
QUESTAR CORP.
ITEM 1(b). ADDRESS OF ISSUER'S EXECUTIVE OFFICES:
QUESTAR CORP.
180 East 100 South
P.O. Box 45433
Salt Lake City, UT 84145-0433
ITEM 2(a). NAME OF PERSON FILING:
The Prudential Insurance Company of America
ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE:
751 Broad Street
Newark, New Jersey 07102-3777
ITEM 2(c). CITIZENSHIP:
A mutual insurance company organized under the laws of the
State of New Jersey
ITEM 2(d). TITLE OF CLASS OF SECURITIES:
Common Stock
ITEM 2(e). CUSIP NUMBER:
748356102
ITEM 3. The Person filing this statement is an Insurance Company
as defined in Section 3(a) (19) of the Securities
Exchange
Act of 1934, and an Investment Adviser registered under
Section 203 of the Investment Advisers Act of 1940.
ITEM 4. OWNERSHIP:
(a) Number of Shares
Beneficially Owned: 4,403,616 See Exhibit A
(b) Percent of Class: 5.34
Number
(c) Powers Of Shares
- ------------------------------------- --------------------------
Sole power to vote or 26,000 See Exhibit A
to direct the vote
Shared power to vote or 4,377,616 See Exhibit A
to direct the vote
Sole power to dispose or 26,000 See Exhibit A
to direct disposition
Shared power to dispose 4,377,616 See Exhibit A
or to direct disposition
ITEM 5. OWNERSHIP OF 5% OR LESS OF A CLASS:
Not Applicable
ITEM 6. OWNERSHIP OF MORE THAN 5% ON BEHALF
OF ANOTHER PERSON:
See Exhibit A
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE
SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING
REPORTED ON BY THE ULTIMATE PARENT COMPANY:
Not Applicable
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS
OF THE GROUP:
Not Applicable
ITEM 9. NOTICE OF DISSOLUTION OF GROUP:
Not Applicable
ITEM 10. CERTIFICATION:
By signing below, the Prudential Insurance Company of America
certifies that, to the best of its knowledge and belief, the
securities referred to above were acquired in the ordinary course
of business and were not acquired for the purpose of and do not
have the effect of changing or influencing the control of the
issuer of such securities and were not acquired in connection
with or as a participant in any transaction having such purpose
or effect.
The filing of this statement should not be construed as an admission that
Prudential is, for purposes of Sections 13 or 16 of the Securities
Exchange Act of 1934, the beneficial owner of such shares.
SIGNATURE
After reasonable inquiry and to the best of its knowledge and
belief, The Prudential Insurance Company of America certifies that
the information set forth in this statement is true, complete and
correct.
THE PRUDENTIAL INSURANCE COMPANY OF AMERICA
By: Ellen McGlynn Koke
Second Vice President
Date: 02/02/99
As of: 12/31/98
Exhibit A
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ITEM 6. OWNERSHIP:
The Prudential Insurance Company of America ('Prudential') may have direct or
indirect voting and/or investment discretion over 4,403,616 shares of the
Issuer's common stock which are held for the benefit of its clients by its
separate accounts, externally managed accounts, registered investment
companies, subsidiaries and/or other affiliates. Prudential is reporting the
combined holdings of these entities for the purpose of administrative
convenience.
These shares were acquired in the ordinary course of business, and not with the
purpose or effect of changing or influencing control of the Issuer. The filing
of this statement should not be construed as an admission that Prudential is,
for the purposes of Section 13 or 16 of the Securities Exchange Act of 1934,
the beneficial owner of these shares.
