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Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1999.
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Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Branch of Information Services, distributor, 1999]
I 19.76: 99-566 |
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[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [1999]
I 19.76: 99-312 |
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[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [1999]
I 19.76: 99-397 |
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Reston, VA : U.S. Geological Survey, 2000.
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[Reston, VA] : U.S. Geological Survey, [2000]
I 19.76: 00-035 |
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7.
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[Reston, Va.] : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Section, distributor], 1991.
I 19.76: 91-346 |
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[Reston, VA] : Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1993]
I 19.76: 93-218 |
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[Reston, Va.] : Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports, Section, distributor, 1990]
I 19.76: 90-64 |
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[Reston, Va.] : U.S. Geological Survey ; [Denver, Va. : Books and Open-File Reports Section, distributor, 1991]
I 19.76: 91-309 |
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