U.S. SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
Form 3
INITIAL STATEMENT OF BENEFICIAL
OWNERSHIP OF SECURITIES
Filed pursuant to Section 16(a) of the Securities
Exchange Act of 1934, Section 17(a) of the Public Utility
Holding Company Act of 1935 or Section 30(f)
of the Investment Company Act of 1940
1. Name and Address of Reporting Person
J.R. Simplot Self
Declaration of Revocable Trust
999 Main Street
Boise, ID 83702
2. Date of Event Requiring Statement (Month/Day/Year)
11/2/99
3. I.R.S. Identification Number of Reporting Person, if an
entity (voluntary)
4. Issuer Name and Tickler or Trading Symbol
USG Corporation (USG)
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
[__] Director
[ X] 10% Owner
[__] Officer (give title below)
[__] Other (specify below)
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6. If Amendment, Date of Original (Month/Day Year)
n/a
7. Individual or Joint/Group Filing (Check Applicable Line)
[ X] Form filed by One Reporting Person
[__] Form filed by More than One Reporting Person
TABLE I - NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED
1. Title of Security (Instr. 4)
Common Stock
2. Amount of Securities Beneficially Owned (Instr. 4)
4,978,300
3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)
D - 4,959,300
I - 100,000
4. Nature of Indirect Beneficial Ownership (Instr. 5)
As director of J.R. Simplot Foundation
TABLE II - DERIVATIVE SECURITIES BENEFICIALLY OWNED
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)
n/a
2. Date Exercisable and Expiration Date (Month/Day/Year)
n/a
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3. Title and Amount of Securities Underlying Derivative
Security (Instr. 4)
n/a
4. Conversion or Exercise Price of Derivative Security
n/a
5. Ownership Form of Derivative Securities: Direct (D)
or Indirect (I) (Instr. 5)
n/a
6. Nature of Indirect Beneficial Ownership (Instr. 5)
n/a
Date: November 11, 1999 J.R. Simplot
Self-Declaration of Revocable Trust
By //s// J.R. Simplot
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J.R. Simplot, as Trustee
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