1.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, [1996]
GB1199.3.M54 A63 1996 |
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2.
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[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989.
GB1001.72.G44 J67 1989 |
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3.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by Book and Open-File Report Sales, U.S. Geological Survey, 1993.
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4.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by Book and Open-File Report Sales, U.S. Geological Survey Federal Center, 1993.
GB1199.3.M54 J67 1993 |
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