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1by Friedman, Jules D.
Published 1980Washington : United States Department of the Interior, Geological Survey, 1980.1 online resource (vii, D33 pages) : illustrations, maps.Geological Survey professional paper ; 1022-DE-Resource U.S. Federal Government Document Book2by Friedman, Jules D.
Published 1980Washington : U.S. Govt. Print. Off. : for sale by Supt. of Docs., 1980.vii, 33 p. : ill. ; 29 cm.U.S. Federal Government Document Print Book