1.
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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, 1990-
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2.
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Washington : U.S. G.P.O., 1997.
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3.
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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, 1988.
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4.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995.
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5.
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[Denver, Colo.] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Books and Open- File Reports Section, distributor], 1992.
I 19.76: 92-523-A |
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6.
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1986.
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7.
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[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1995.
I 19.76: 95-66-/ |
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8.
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[Denver, Colo.] : U.S. Dept. of the Interior, U.S. Geological Survey : [Branch of Information Services, distributor, 1998]
I 19.76: 98-758 |
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