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1
by Jones, Allison L.
Columbus, Ohio : Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey ; USGS Branch of Information Services [distributor], 1997

Government Document Book
2
Nashville, Tenn. : Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1995

Government Document Book