1.
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Washington, DC : U.S. G.P.O. : Denver, CO ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1992.
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2.
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Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2000.
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3.
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1987.
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4.
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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, 1987.
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5.
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Washington : U.S. GPO ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, Federal Center, 1987.
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6.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by the Open-File Reports Section, U.S. Geological Survey, 1987.
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7.
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Report Section, 1987.
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