00957cam a22002411 4500001001300000003000400013005001700017008004100034010001700075035001900092040005400111050001700165082001100182100004700193245006700240260005800307300008100365490006900446500009600515500002400611500003900635650004100674gs 34000108 DLC20260227111338.0790612s1934 sduab s000 0 eng c ags 34000108  a(OCoLC)5058614 aU.S. Geol. Survey. LibrarycTxCMdOCoLCdDLCdWaU00aQE164.G7bR6 a557.831 aRothrock, E. P.q(Edgar Paul),d1889-1977.14aThe geology of Grant county, South Dakota,cby E. P. Rothrock. aVermillion, S.D.,bUniversity of South Dakota,c1934. a3 p. l., 40 numb. l. incl. tables.bmaps (1 fold.) diagr., profiles.c28 cm.0 aSouth Dakota. State Geologist. Report of investigations,vno. 20 aAt head of title: South Dakota State Geological Survey, E. P. Rothrock, state geologist ... aFolded map laid in. aReproduced from type-written copy. 0aGeologyzSouth DakotazGrant County.