000200615 000__ 01475mam\a2200361\a\4500 000200615 001__ 200615 000200615 005__ 20220217103937.0 000200615 007__ heubmb024bbca 000200615 008__ 930119s1991\\\\iaub\\\\bb\\\f000\0\eng\d 000200615 035__ $$a(OCoLC)ocm27285661 000200615 035__ $$9AAX0532SI 000200615 035__ $$a200615 000200615 040__ $$aMST$$cMST$$dGPO 000200615 043__ $$an-us-ia 000200615 049__ $$aISEA 000200615 074__ $$a0624-H (MF) 000200615 0860_ $$aI 19.76:91-459 000200615 1001_ $$aBowman, Phillip R. 000200615 24510 $$aHydrologic data for a study of pre-Illinoian glacial till in Linn County, Iowa, water year 1990$$h[microform] /$$cby Phillip R. Bowman ; prepared in cooperation with the Iowa Department of Natural Resources, Geological Survey Bureau. 000200615 260__ $$aIowa City, Iowa :$$bU.S. Geological Survey ;$$aDenver, Colo. :$$bBooks and Open-File Reports,$$c1991. 000200615 300__ $$aiv, 70 p. :$$bmap ;$$c28 cm. 000200615 4901_ $$aOpen-file report ;$$v91-459 000200615 500__ $$aChiefly tables. 000200615 500__ $$aDistributed to depository libraries in microfiche. 000200615 504__ $$aIncludes bibliographical references (p. 18). 000200615 533__ $$aMicrofiche.$$b[Denver, Colo. :$$cU.S. Geological Survey,$$d1992]$$e1 microfiche : negative. 000200615 650_0 $$aDrift$$zIowa$$zLinn County. 000200615 650_0 $$aGlacial epoch$$zIowa$$zLinn County. 000200615 650_0 $$aGroundwater flow$$zIowa$$zLinn County. 000200615 7102_ $$aGeological Survey (U.S.) 000200615 7101_ $$aIowa.$$bDepartment of Natural Resources.$$bGeological Survey Bureau. 000200615 830_0 $$aU.S. Geological Survey open-file report ;$$v91-459. 000200615 85230 $$bdfich$$hI 19.76:$$i91-459 000200615 909CO $$ooai:library.usi.edu:200615$$pGLOBAL_SET 000200615 948__ $$ac:jf 000200615 980__ $$aBIB 000200615 980__ $$aGOV RESOURCE