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by Paybins, Katherine S., 1966-, Messinger, Terence, Eychaner, James H., Chambers, Douglas B., Kozar, Mark D.
[Reston, Va.?] : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Free on application to the U.S. Geological Survey, Information Services, 2000
[Reston, Va.?] : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; Free on application to the U.S. Geological Survey, Information Services, 2000
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