Geology and ore deposits of the upper Blue River area, Summit County, Colorado /
Singewald, Quentin D. 1902-
Geology and ore deposits of the upper Blue River area, Summit County, Colorado / by Quentin D. Singewald. - Washington, [D.C.] : U.S. G.P.O., 1951. - v, 74 p. : ill., maps ; 24 cm. - Geological Survey bulletin ; 970 .
Seven folded leaves in pocket. Prepared in cooperation with the Colorado Geological Survey Board and the Colorado Metal Mining Fund.
Bibliography: p. 72.
gs 52000125
Geology--Colorado--Summit County.
Ore deposits--Colorado--Summit County.
Mines and mineral resources--Colorado--Summit County.
QE75 / .B9 no. 970
557.88
407 / G29B no.970
Geology and ore deposits of the upper Blue River area, Summit County, Colorado / by Quentin D. Singewald. - Washington, [D.C.] : U.S. G.P.O., 1951. - v, 74 p. : ill., maps ; 24 cm. - Geological Survey bulletin ; 970 .
Seven folded leaves in pocket. Prepared in cooperation with the Colorado Geological Survey Board and the Colorado Metal Mining Fund.
Bibliography: p. 72.
gs 52000125
Geology--Colorado--Summit County.
Ore deposits--Colorado--Summit County.
Mines and mineral resources--Colorado--Summit County.
QE75 / .B9 no. 970
557.88
407 / G29B no.970