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Osullivan Robert Brett 1923
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O'Sullivan, Robert Brett, 1923- author.
[Reston, Va.] : United States Department of the Interior, U.S. Geological Survey, 1984.
1985
Rating:
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O'Sullivan, Robert Brett, 1923- author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1975.
1975
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Duncan, Donald C., 1911-1990 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1974.
1974
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O'Sullivan, Robert Brett, 1923- author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1965.
1965
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O'Sullivan, Robert Brett, 1923- author.
[Reston, Va.] : United States Department of the Interior, Geological Survey, 1975.
1975
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Osullivan Robin
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O'Sullivan, Robin, author.
Lawrence, Kansas : University Press of Kansas, 2015.
2015
Rating:
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