A uranium-bearing rhyolitic tuff deposit near Coaldale, Esmeralda County, Nevada /

by Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990
Published 1953

Geology and coal deposits in part of the Coos Bay coal field, Oregon : geological investigations, sample data, and estimated reserves in part of the Coos County coal field /

by Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990
Published 1953

Geology of Naval oil shale reserves 1 and 3, Garfield County, Colorado /

by Duncan, Donald C., 1911-1990
Published 1949

Geology and oil-shale resources of the eastern part of the Piceance Creek Basin, Rio Blanco and Garfield Counties, Colorado /

by Duncan, Donald C., 1911-1990
Published 1950

Oil shale : a potential source of energy /

by Duncan, Donald C., 1911-1990
Published 1980

Geology and oil-shale resources of the eastern part of the Piceance Creek Basin, Rio Blanco and Garfield Counties, Colorado /

by Duncan, Donald C., 1911-1990
Published 1950

Geology of Naval oil shale reserves 1 and 3, Garfield County, Colorado /

by Duncan, Donald C., 1911-1990
Published 1949

Geology of Naval oil shale reserves 1 and 3, Garfield County, Colorado /

by Duncan, Donald C., 1911-1990
Published 1949

A uranium-bearing rhyolitic tuff deposit near Coaldale, Esmeralda County, Nevada

by Duncan, Donald C., 1911-1990
Published 1953

Geology and coal deposits in part of the Coos Bay coal field, Oregon /

by Duncan, Donald C., 1911-1990
Published 1953

Preliminary geologic map of Greasewood Gulch quadrangle, Rio Blanco County, Colorado /

by Duncan, Donald C., 1911-1990
Published 1976

Preliminary geologic map of Rock School quadrangle, Rio Blanco County, Colorado /

by Duncan, Donald C., 1911-1990
Published 1976

Early Upper Cambrian faunas of central Montana,

by Lochman, Christina, 1907-, Lochman, Christina, 1907-, Lochman, Christina, 1907-, Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990
Published 1944

Early Upper Cambrian faunas of central Montana,

by Lochman-Balk, Christina, 1907-2006, Duncan, Donald C., 1911-1990
Published 1944

Organic-rich shale of the United States and world land areas /

by Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990, Swanson, Vernon E (Vernon Emmanuel), 1922-1992, Swanson, Vernon E (Vernon Emmanuel), 1922-1992
Published 1965

Energy resources of the United States /

by Theobald, P. K (Paul Kellogg), 1928-, Theobald, P. K (Paul Kellogg), 1928-, Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990, Schweinfurth, Stanley P.
Published 1972

Manganese deposits of Utah a report on manganese resources in the Little Grand district and areas to the east, west, and south /

by Baker, Arthur A (Arthur Alan), 1897-1996, Baker, Arthur A (Arthur Alan), 1897-1996, Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990, Hunt, Charles B (Charles Butler), 1906-1997, Hunt, Charles B (Charles Butler), 1906-1997
Published 1952

Early upper Cambrian faunas of Central Montana /

by Lochman-Balk, Christina, 1907-2006, Lochman-Balk, Christina, 1907-2006, Duncan, Donald A (Donald Alma), Duncan, Donald C., 1911-1990
Published 1944

Four newly named tongues of Eocene Green River Formation, northern Piceance Creek basin, Colorado /

by Duncan, Donald C., 1911-1990, Duncan, Donald C., 1911-1990, Hail, William J (William James), Jr., 1922-, Hail, William J (William James), Jr., 1922-, Hail, William J (William James), Jr., 1922-2018, O'Sullivan, Robert Brett, 1923-, O'Sullivan, Robert Brett, 1923-, Pipiringos, G. N (George Nicholas), 1918-, Pipiringos, G. N (George Nicholas), 1918-
Published 1974

Preliminary geologic map of Yankee Gulch quadrangle, Rio Blanco County, Colorado /

Published 1976