Geologic map of the Soda Springs quadrangle, Southeastern Idaho /

by Armstrong, Frank C, Armstrong, Frank C
Published 1969

Dismal swamp placer deposit, Elmore County, Idaho /

by Armstrong, Frank C., Armstrong, Frank C.
Published 1957

Dismal swamp placer deposit, Elmore County, Idaho /

by Armstrong, Frank C
Published 1957

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

by Armstrong, Frank C
Published 1957

Two-mica granites

by Armstrong, Frank C
Published 1984

Two-mica granites /

by Armstrong, Frank C
Published 1984

The Bannock thrust zone, southeastern Idaho

by Armstrong, Frank C
Published 1963

The Bannock thrust zone, southeastern Idaho

by Armstrong, Frank C
Published 1963

Geologic map of the Soda Springs quadrangle, southeastern Idaho

by Armstrong, Frank C
Published 1969

Copper /

by Armstrong, Frank C
Published 1931

Geologic map of the Soda Springs quadrangle, southeastern Idaho /

by Armstrong, Frank C
Published 1969

The Bannock thrust zone southeastern Idaho /

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

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

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

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

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

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

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

Uppermost Precambrian and lowest Cambrian rocks in southeastern Idaho /

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

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

by Stoll, W. C
Published 1958

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

Published 1981

Geologic map of the Soda Springs Quadrangle, southeastern Idaho

Published 1969