1.
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[Menlo Park, Calif.] : U.S. Geological Survey, 1984.
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2.
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[Menlo Park, Calif.] : U.S. Geological Survey ; Alexandria, VA : Free on application to Distribution Branch, Text Products Section, U.S. Geological Survey, 1986.
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3.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by Map Distribution, U.S. Geological Survey, 1993.
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4.
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1987.
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5.
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[Reston, Va.] : U.S. Dept. of the Interior, 1981.
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6.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1991.
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7.
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Menlo Park, Calif. : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-457- |
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