00922cam a22002411 4500001001300000003000400013005001700017008004100034010001700075035001900092040005900111043001200170050002300182100005200205245016300257260003300420300005300453410005000506504002400556650003100580740005200611999001700663gs 38000084 DLC20260227111342.0790420s1937 nduab b s000 0 eng c ags 38000084  a(OCoLC)4877175 aU.S. Geol. Survey. LibrarycMnMohCdMnMohCdOCoLCdDLC an-us-nd00aQE149b.A23 no. 101 aSimpson, Howard E.q(Howard Edwin),d1874-1938.10aChange in ground water levels in North Dakota,cby Howard E. Simpson; a report based upon data collected for the Mississippi Valley Committee, P. W. A., 1934. aGrand Forks, N. Dak.,c1937. a23 p. incl. illus. (maps) forms, tables.c23 cm.20aNorth Dakota Geological Survey.tBulletinv10 a"References": p. 3. 0aGroundwaterzNorth Dakota.0 aGround water levels in North Dakota, Change in. c27426d27426