01259cam a22002891 4500001001300000003000400013005001700017008004100034010001700075035001900092040004500111043001200156050002300168100005200191245026000243260004800503300006900551490005400620500006400674500002600738650002700764650003200791650001700823700004400840710003500884830005000919gs 30000001 DLC20260227111334.0790426s1929 dcua f001 0 eng c ags 30000001  a(OCoLC)4899978 aU.S. Geol. Survey Libr.cNdUdOCoLCdDLC an-us-nd00aTC801b.U2 no. 5981 aSimpson, Howard E.q(Howard Edwin),d1874-1938.10aGeology and ground-water resources of North Dakota,cby Howard E. Simpson. With a discussion of the chemical character of the water, by Harry B. Riffenburg. Prepared in cooperation with the State geological survey of North Dakota. A. G. Leonard, director. aWashington,bU.S. Govt. print. off.,c1929. av, 312 p.bincl. illus., tables. 3 pl. (incl. fold. map)c23 cm.1 aGeological Survey (U.S.). Water-supply paperv598 aAt head of title: United States Department of the Interior. aMap folded in pocket. 0aGeologyzNorth Dakota. 0aWater-supplyzNorth Dakota. 0aGroundwater.1 aRiffenburg, Harry Buchholz,d1891- .2 aNorth Dakota Geological Survey 0aWater-supply paper (Washington, D.C.) ;v598.