Depositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana /
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02h0001074 20080604102933.0 s1991 cauab frb |000|||eng | NGL n-us-mt a514.3 ; a372 Tysdal, Russell G. 蒙大拿州西南部麦迪逊岭弗兰蒂尔组复合剖面地层形成的沉积环境. chi Depositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana / by R.G. Tysdal. Denver, CO : U.S. G.P.O., 1991. iv, 23 p. : ill., maps ; 29 cm. Bulletin / U.S. Geological Survey ; 1949 Includes bibliographical references (p.21-23). Geology, Stratigraphic ; Geology Cretaceous. Montana ; Madison Range. Frontier Formation. NGL P 254.2 B87 v1949 ; h1 kaz070h