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Langer, William H.
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Langer, William H.
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988.
1988
Evaluation:
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Obermeier, Stephen F.
Washington : U.S. G.P.O, 1986.
1986
Evaluation:
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Obermeier, Stephen F.
[Reston, Va.?] : U.S. Dept. of the Interior, Geological Survey ; Denver, CO : For sale by the Branch of Distribution, Books and Open-File Reports Section, 1986.
1986
Evaluation:
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-FIle Reports Section, [1989]
1989
Evaluation:
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1989.
1989
Evaluation:
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1989.
1989
Evaluation:
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Washington : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1990.
1990
Evaluation:
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Bedinger, M. S.
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1990.
1990
Evaluation:
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1990.
1990
Evaluation:
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