au.\*:("JACOB AF")
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GEOLOGY OF THE UPPER PART OF THE FORT UNION GROUP (PALEOCENE), WILLISTON BASIN, WITH REFERENCE TO URANIUM.JACOB AF.1976; N. DAKOTA GEOL. SURV., REP. INVEST.; U.S.A.; DA. 1976; NO 58; PP. (55P.); BIBL. 4 P.; 33 ILL.Serial Issue
DEPOSITIONAL ENVIRONMENTS OF PALEOCENE TONGUE RIVER FORMATION, WESTERN NORTH DAKOTAJACOB AF.1973; AMER. ASS. PETROLEUM GEOLOGISTS BULL.; U.S.A. ; 1973, VOL. 57, NUM. 0006, P. 1038 A 1052Serial Issue
ELONGATE CONCRETIONS AS PALEOCHANNEL INDICATORS, TONGUE RIVER FORMATION (PALEOCENE), NORTH DAKOTAJACOB AF.1973; GEOL. SOC. AMER., BULL.; U.S.A. ; 1973, VOL. 84, NUM. 0006, P. 2127 A 2132Serial Issue