Ruff, A.W., 1951, Geology and ore deposits of the Indiana mine area, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 64 p.
Ruff, A.W.
Tucson, University of Arizona, M.S. thesis, 64 p.
Mineral District, Areal, Structure, Stratigraphy, Mineralization, Replacement, Lead, Zinc, Silver,