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02a0002648;20011205d1980 ekmy0engy01;eng;a z 000yy;r;Geology of the Rodeo Creek NE and Welches Canyon Quadrangles, Eureka County, Nevada;J.G. Evans;Wash.;U.S. Government Printing Office;1980;81 p.;2 maps;Bulletin;U.S. Geological Survey;no.1473;2001b;aBulletin ; fU.S. Geological Survey ; vno.1473;a254.2;Evans;J.G.;101;409623 ; 411665;P;254.2;B87;v1473 ; r20.00;a02;b2;cP