General and engineering geology of the Wray area, Colorado and Nebraska /
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.
gs 54000064
Geology--Colorado--Yuma County.
Geology--Nebraska--Dundy County.
Soil mechanics.
Road materials.
QE75 / .B9 no. 1001
557.88
407 / G29B no.1001
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.
gs 54000064
Geology--Colorado--Yuma County.
Geology--Nebraska--Dundy County.
Soil mechanics.
Road materials.
QE75 / .B9 no. 1001
557.88
407 / G29B no.1001