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Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : For sale by Information Services, 2004.
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Madison, Wis. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Earth Science Information Center, Open-File Reports Section [distributor], 1995.
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Middleton, Wis. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Branch of Information Services [distributor], 1999.
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[Omaha, Neb.: The Region, 2000]
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Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2004.
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