Blake, W.P., 1901, Sketch of the mineral wealth of the region adjacent to the Santa Cruz Valley, Arizona: Tucson, University of Arizona, Arizona School of Mines, 22 p.
Blake, W.P.
Tucson, University of Arizona, Arizona School of Mines, 22 p.
Mineral District, Areal, Copper, Lead, Zinc, Gold, Silver, Molybdenum, Tungsten, Mineralization,
