01042cam a22003251a 4500001001300000003000400013005001700017008004100034010001700075035001900092040002500111043002100136050002300157051001600180070002200196082001100218100003300229245012100262260004600383300003800429440003900467500003000506504002800536650003600564650003700600650002000637650002000657700002200677999001700699gs 54000064 DLC20260227111401.0780729s1953    dcuab    b   f000 0 eng    ags 54000064   a(OCoLC)4095017  aDLCcOClUdDNALdDLC  an-us-coan-us-nb00aQE75b.B9 no. 1001  aQE92.Y8bH50 a407bG29B no.1001  a557.881 aHill, Dorothy Rachel,d1920-10aGeneral and engineering geology of the Wray area, Colorado and Nebraska /cby Dorothy R. Hill and Jessie M. Tompkin.  aWashington, [D.C.] :bU.S. G.P.O.,c1953.  aiv, 65 p. :bill., maps ;c24 cm. 0aGeological Survey bulletin ;v1001  aOne folded map in pocket.  aBibliography: p. 62-64. 0aGeologyzColoradozYuma County. 0aGeologyzNebraskazDundy County. 0aSoil mechanics. 0aRoad materials.1 aTomkin, Jessie M.  c28834d28834