| Reference | {Deposit:: PENNZOIL COMPANY, ANNUAL REPORTS & FORMS-10K, 1968 THRU 1981}{Deposit:: SEMRAD, BOB, RESIDENT MANAGER OF CULBERSON PROPERTY,}{Deposit:: PERSONNAL VISIT OF PROPERTY BY EVALUATOR 9-22-82 AND}{Deposit:: PHONE CONVERSATIONS.}{Geology:: ELLISON, S.P., SULPHUR IN TEXAS, TEXAS BUREAU OF ECONOMIC}{Geology:: GEOLOGY, 1971}{Ownership:: PENNZOIL COMPANY. 1984 ANNUAL REPORT. P. 16.}{Ownership:: INDUSTRIAL MINERALS, DEC. 94, PAGE 13.}{Production:: US BUREAU OF MINES MICROFILM COMPILATION OF PROPRIETARY}{Production:: COMPANY PRODUCTION STATISTICS.}{Production:: U.S. BUREAU OF MINES. COMPILATION OF PROPRIETARY, INDIVIDUAL}{Production:: COMPANY, PRODUCTION STATISTICS (FOR THE YEARS 1982}{Production:: THROUGH 1986).}{Production:: 1994 PRODUCTION REC 106 IS FROM REF. O-102, ABOVE.}{Reserve-Resource:: SECURITIES AND EXCHANGE COMMISSION FORM 10-K FOR FISCAL YEAR}{Reserve-Resource:: ENDING DEC. 31, 1981; COMMISSION FILE NO. 1-5591; PENNZOIL}{Reserve-Resource:: RANDOL MINING DIREC., 1994/95.} |