Mineral resources of the region around Boulder Dam

Abstract

FIGUEE 33.Annual production of nonferrous metals in Tonopah district, Nevada, 1900-32___________________________________ 34.Annual production of nonferrous metals in San Francisco district, Utah, 1875-1932_____________________________ 35.Annual production of nonferrous metals in Star and North Star districts, Utah, 1902-32___________________ 36.Annual production of nonferrous metals in Tutsagubet district, Utah, 1902-32________________________________ 37. Sketch map of claims filed on manganese deposits in Artillery Peak district, Mphave County, Ariz____________________ 38.Claim map showing Anniversary mine, camp, and calcining plant of West End Chemical Co., Clark County, Nev_____ 39.Sketch traverse showing extent of the open quarries in the magnesite deposit near Bissell, Kern County, Calif______ 40.Map of the Overton area, Nevada, showing location of magnesite, sand, and gypsum deposits._____________________41.Thermal decomposition and dehydration of magnesite, hydrous magnesian silicate, and dolomite from south side of Magnesite Wash, Nev____________________________________ 42.Composition diagram of mineral constituents of the magnesite and associated rocks in the Overton area, Nevada..______ 43.