00974cam a2200253   4500001001300000003000400013005001700017008004100034010001700075040004500092050002300137051002600160082001100186100004600197245017100243260002300414300002900437490003500466504002400501650004400525650006200569700005000631830003900681gs 68000268 DLC20260227111422.0691016s1968    dcub     b    000 0 eng c  ags 68000268   aU.S. Geological Survey LibrarycDLCdDLC00aQE75b.C5 vol. 557  aTN453.C6bS5cCopy 2.00a553/.41 aSharp, William N.q(William Neil),d1922-10aLead, copper, molybdenum, and zinc geochemical anomalies south of the Summitville District,bRio Grande County, Colorado,cby William N. Sharp and James L. Gualtieri.  aWashington,c1968.  aiii, 7 p.bmaps.c27 cm.1 aGeological survey circular 557  aBibliography: p. 2. 0aLead oreszColoradozRio Grande County. 0aMines and mineral resourceszColoradozRio Grande County.1 aGualtieri, James Louis,d1924-ejoint author. 0aGeological Survey circular ;v557.