TY - BOOK AU - Brobst,Donald Albert AU - Tucker,Jerry D. TI - X-ray mineralogy of the Parachute Creek Member, Green River Formation, in the Northern Piceance Creek Basin, Colorado T2 - Geological Survey professional paper U1 - 549.978815 PY - 1973/// CY - Washington PB - United States Government Printing Office KW - Mineralogy KW - Colorado KW - Piceance Creek Basin KW - Geology, Stratigraphic KW - Tertiary KW - Oil-shales KW - X-rays KW - Diffraction KW - Green River Formation N1 - Bibliography: p. 52-53 ER -