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Abundance and distribution of thorium in the carbonatite stock at Iron Hill, Powderhorn District, Gu

Armbrustmacher, Theodore J., 1946-
[Reston, Va.] : Dept. of the Interior, Geological Survey ; Washington : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980. 1980

Collected papers on methods of analysis for uranium and thorium

Grimaldi, F. S. (Frank Saverio), 1915-
Washington [D.C.] : U.S. G.P.O., 1954. 1954

Principal thorium resources in the United States

Geological Survey (U.S.)
[Arlington, Va.] : Geological Survey, 1979. 1979

Selected annotated bibliography of thorium and rare-earth deposits in the United States, including A

Buck, Katharine L.
Washington [D.C.] : U.S. G.P.O., 1957. 1957

Systematic mineralogy of uranium and thorium

Frondel, Clifford, 1907-2002.
Washington [D.C.] : U.S. G.P.O., 1958. 1958

Thorium resources of selected regions in the United States

[Reston, Va.?] : U.S. Dept. of the Interior, Geological Survey ; Arlington, Va. (1200 South Eads Street, Arlington, Va., 22202) ; Free on application to Branch of Distribution, U.S. Geological Survey, 1980. 1980