Two-mica granites /

by Armstrong, Frank C.
Published 1984

Geologic map of the Soda Springs quadrangle, southeastern Idaho /

by Armstrong, Frank C.
Published 1969

Dismal swamp placer deposit, Elmore County, Idaho /

by Armstrong, Frank C.
Published 1957

Uppermost Precambrian and lowest Cambrian rocks in southeastern Idaho /

by Oriel, Steven S., Armstrong, Frank C.
Published 1971

The Bannock thrust zone : southeastern Idaho /

by Armstrong, Frank C., Cressman, Earle Rupert, 1923-
Published 1963

The Bannock thrust zone southeastern Idaho /

by Armstrong, Frank C., Cressman, Earle Rupert, 1923-
Published 1963

Uranium-bearing minerals in placer deposits of the Red River valley, Idaho County, Idaho /

by Armstrong, Frank C., Weis, Paul L. (Paul Lester), 1922-
Published 1957

Optical calcite deposits in Park and Sweet Grass Counties, Montana /

by Stoll, W. C. (Walter Clericus), 1915-, Armstrong, Frank C.
Published 1958

Reconnaissance for radioactive minerals in Washington, Idaho, and Western Montana, 1952-1955 /

by Weis, Paul L. (Paul Lester), 1922-, Armstrong, Frank C., Rosenblum, Samuel
Published 1958

Uppermost Precambrian and lowest Cambrian rocks in southeastern Idaho /

by Oriel, Steven S., Armstrong, Frank C., Fritz, W. H. (William Harold), 1928-, Palmer, Allison R.
Published 1970

Genesis of uranium- and gold-bearing Precambrian quartz-pebble conglomerates : proceedings of a workshop, Oct. 13-15, 1975, Golden, Colorado /

Published 1981

Genesis of uranium- and gold-bearing Precambrian quartz-pebble conglomerates : proceedings of a workshop, Oct. 13-15, 1975, Golden, Colorado /

Published 1981

Lead-zinc deposits in the Kootenay Arc, northeastern Washington and adjacent British Columbia : Society of Economic Geologists 1970 Northwest Field Conference Guidebooks /

by Weissenborn, Albert Edward, 1903-
Published 1970