000229690 000__ 01117cam\a2200301\a\45e0 000229690 001__ 229690 000229690 005__ 20210513091849.0 000229690 008__ 901010s1991\\\\wauab\\\\b\\\f000\0\eng\\ 000229690 010__ $$a 90019939 000229690 035__ $$a(OCoLC)ocm22629674 000229690 035__ $$a229690 000229690 040__ $$aDLC$$beng$$cDLC$$dAGL$$dOCLCQ$$dBTCTA$$dOCLCQ$$dGBVCP$$dOCLCO 000229690 043__ $$an-us-mt 000229690 049__ $$aISEA 000229690 05000 $$aQE75$$b.B9 no.1949 000229690 074__ $$a0620 000229690 08200 $$a557.3 s$$a551.7/7/09786$$220 000229690 0860_ $$aI 19.3:1949 000229690 1001_ $$aTysdal, Russell G. 000229690 24510 $$aDepositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana /$$cby R.G. Tysdal. 000229690 260__ $$aWashington, D.C. :$$bU.S. G.P.O. ;$$aDenver, CO :$$bFor sale by the U.S. Geological Survey,$$c1991. 000229690 300__ $$aiv, 23 p. :$$bill., maps ;$$c29 cm. 000229690 4901_ $$aU.S. Geological Survey bulletin ;$$v1949 000229690 504__ $$aIncludes bibliographical references (p. 21-23). 000229690 650_0 $$aGeology, Stratigraphic$$yCretaceous. 000229690 650_0 $$aGeology$$zMontana$$zMadison Range. 000229690 651_0 $$aFrontier Formation. 000229690 830_0 $$aU.S. Geological Survey bulletin ;$$v1949. 000229690 85200 $$bgen$$hQE75$$i.B9$$ino.1949 000229690 909CO $$ooai:library.usi.edu:229690$$pGLOBAL_SET 000229690 980__ $$aBIB 000229690 980__ $$aBOOK