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United States Department Of The Army Sponsoring Body
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Powers, Howard A., author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1960.
1960
Rating:
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Snyder, George L. (George Leonard), 1927- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1959.
1959
Rating:
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Nelson, Willis H. (Willis Howard), 1920-2010 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1959.
1959
Rating:
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Fraser, George D. (George Dewitt), 1920- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1959.
1959
Rating:
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Fraser, George D. (George Dewitt), 1920- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1959.
1959
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Gates, Olcott, 1919-1999 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1971.
1971
Rating:
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Snyder, George L. (George Leonard), 1927- author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1957.
1957
Rating:
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