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ORGANIC CARBON IN SHALE BEDS OF THE PHOSPHORIA FORMATION.MAUGHAN EK.sdIN: ROCKY MOUNTAIN ENERGY RESOUR. DISCOVERY DEV. 24TH ANNU. MEET. AM. ASSOC. PET. GEOL. 6TH ANNU. MEET. SOC. ECON. PALEONTOL. MINERAL.; ALBUQUERQUE, N.M.; 1975; S.L.; , P. 23Miscellaneous

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TYPE SECTIONS AND STRATIGRAPHY OF THE MEMBERS OF THE BLACKLEAF AND MARIAS RIVER FORMATIONS (CRETACEOUS) OF THE SWEETGRASS ARCH, MONTANA.COBBAN WA; ERDMANN CE; LEMKE RW et al.1976; GEOL. SURV. U.S.A., PROF. PAPER; U.SA.; DA. 1976; NO 974; PP. 1-66; BIBL. 1 P. 1/2; 19 ILL.Serial Issue