. . "Geological Survey (U.S.)," . . "Gold mines and mining Nevada Tonopah Region." . . "Geochemie." . . "Tonopah (Nev., Region)" . . "Goldlagerstätte." . . . . . . . . . . "Geochemical signatures of silver and gold deposits, Tonopah 1° x 2° quadrangle, Nevada description and applications to exploration ; geochemical signatures of six geologically defined deposite types are distinctive and permit classification of prospects and estimation of likely grade and tonnage" . . . "Geochemical signatures of silver and gold deposits, Tonopah 1 x 2 quadrangle, Nevada : description and applications to exploration" . . . . . . "Geochemical signatures of silver and gold deposits, Tonopah 1° x 2° quadrangle, Nevada : description and applications to exploration" . . . . "Silberlagerstätte." . .