01042cam a22003251a 4500 gs 54000064 DLC 20260227111401.0 780729s1953 dcuab b f000 0 eng gs 54000064 (OCoLC)4095017 DLC OClU DNAL DLC n-us-co n-us-nb QE75 .B9 no. 1001 QE92.Y8 H5 407 G29B no.1001 557.88 Hill, Dorothy Rachel, 1920- General and engineering geology of the Wray area, Colorado and Nebraska / by Dorothy R. Hill and Jessie M. Tompkin. Washington, [D.C.] : U.S. G.P.O., 1953. iv, 65 p. : ill., maps ; 24 cm. Geological Survey bulletin ; 1001 One folded map in pocket. Bibliography: p. 62-64. Geology Colorado Yuma County. Geology Nebraska Dundy County. Soil mechanics. Road materials. Tomkin, Jessie M. 28834 28834