TY - BOOK AU - Nash,J.Thomas ED - U.S. Geological Survey TI - Geochemical signatures of silver and gold deposits, Tonopah 1 x 2 quadrangle, Nevada: description and applications to exploration PY - 1994/// CY - Washington, Denver, CO PB - U.S. G.P.O., For sale by the U.S. Geological Survey, Map Distribution KW - Gold mines and mining KW - Nevada KW - Tonopah region KW - Silver mines and mining N1 - Folded map in pocket; Includes bibliographical references (p. 42-46) ER -