Mineral resources of the Jack Creek basin, Madison County, Montana /

by Becraft, George E. (George Earle), 1922-
Published 1970

Geology and mineral deposits of the Jefferson City quadrangle : Jefferson and Lewis and Clark Counties, Montana /

by Becraft, George E. (George Earle), 1922-
Published 1963

Mineral resources of the Spanish Peaks primitive area, Montana : an evaluation of the mineral potential of the area /

by Becraft, George E. (George Earle), 1922-
Published 1966

Uranium in carbonaceous rocks in the Townsend and Helena Valleys, Montana /

by Becraft, George E. (George Earle), 1922-
Published 1958

Preliminary report on the Comet area, Jefferson County, Montana /

by Becraft, George E. (George Earle), 1922-
Published 1953

Geology and mineral deposits of the Jefferson City quadrangle, Jefferson and Lewis and Clark Counties, Montana /

by Becraft, George E. (George Earle), 1922-, Pinckney, Darrell M., Rosenblum, Sam
Published 1963

Geology and mineral deposits of the Turtle Lake quadrangle, Washington /

by Becraft, George E. (George Earle), 1922-, Weis, Paul L. (Paul Lester), 1922-
Published 1963

Mineral resources of the Jack Creek basin, Madison County, Montana : an evaluation of the mineral potential of the area /

by Becraft, George E. (George Earle), 1922-, Kiilsgaard, Thor H., Van Noy, Ronald M.
Published 1970