A passion for gold : an autobiography /

by Roberts, Ralph Jackson, 1911-2007.
Published 2002

Manganese deposits in the Nevada district, White Pine County, Nevada /

by Roberts, Ralph Jackson, 1911-2007
Published 1942

Ore deposits of the Antler Peak quadrangle, Humboldt and Lander Counties, Nevada /

by Roberts, Ralph Jackson, 1911-2007, Arnold, D. C.
Published 1965

Mineral deposits of Central America /

by Roberts, Ralph Jackson, 1911-2007, Simons, Frank S. 1917-, Irving, Earl M. 1911-
Published 1957

Geochemistry and geology of deep drill holes at Iron Canyon, Lander County, Nevada /

by Theodore, Ted G., Roberts, Ralph Jackson, 1911-2007, Zablocki, Charles J., 1928-
Published 1971

Manganese deposits in the Drum Mountains, Juab and Millard Counties, Utah /

by Crittenden, Max D., Jr., Roberts, Ralph Jackson, 1911-2007, Straczek, John A., 1914-
Published 1961

Strategic minerals investigations, 1940.

by Roberts, Ralph Jackson, 1911-2007, Thayer, Thomas P., 1907-2004, Lemmon, D. W.
Published 1941

Upper Paleozoic rocks in the Oquirrh Mountains and Bingham mining district, Utah /

by Tooker, Edwin W., 1923-2013, Gordon, Mackenzie, 1913-, Roberts, Ralph Jackson, 1911-2007, Duncan, Helen M.
Published 1970