Horton, F.W., 1916, Molybdenum; its ores and their concentration, with a discussion of markets, prices, and uses: U.S. Bureau of Mines Bulletin 111, 132 p. Authors Horton, F.W. Publication Date 1916 Citation U.S. Bureau of Mines Bulletin 111, 132 p. State AZ Province BR County PM MO Placenames Baboquivari Mts. Hualapai Mts. Sierrita Mts. Keywords Mineral District Molybdenum Mineralization Ore More Keywords Mineral District, Molybdenum, Mineralization, Ore, AzGeoBib RefNum 4628