Higdon, C.E., 1933, Geology and ore deposits of the Sunshine area, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 25 p.
Higdon, C.E.
Tucson, University of Arizona, M.S. thesis, 25 p.
Mineral District, Areal, Structure, Stratigraphy, Mineralization, Copper, Lead, Zinc, Silver,