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41by Bouma, Arnold H.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
42by Nokleberg, Warren J.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1982
Government Document Book -
43
Government Document Serial -
44by Hamilton, Thomas D. (Thomas Dudley), 1936-“...Dept. of the Interior, U.S. Geological Survey,...”
Published 1980
Government Document Book -
45by Wilson, Carol W.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
46by Patrick, Leslie“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
47by Bowsher, Arthur Leroy, 1917-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
48by Witmer, Roger J.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
49by Bowsher, Arthur Leroy, 1917-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
50by Nelson, Gordon L. (Gordon Leonard), 1943-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
51Published 1980“...U.S. Dept. of the Interior, Geological Survey,...”
Government Document Book -
52by Mitchell, Peter A.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
53by Cobb, Edward H. (Edward Huntington), 1916-1983“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
Government Document Book -
54Published 1981“...U.S. Dept. of the Interior, Geological Survey,...”
Government Document Book -
55by Imlay, Ralph W. (Ralph Willard), 1908-1989“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1982
Government Document Book -
56by Mamet, Bernard L.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1982
Government Document Book -
57by Hoare, J. M.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1983
Government Document Book -
58Published 1979“...U.S. Dept. of the Interior, Geological Survey ;...”
Government Document Book -
59by Berg, Henry C.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1982
Government Document Book -
60by Scott, Kevin M., 1935-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1982
Government Document Book