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1by Obermeier, Stephen F.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1989
Government Document Book -
2Published 1990“...Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
3Published 1990“...U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey,...”
Government Document Microform Book