Heineman, R.E.S., 1927, Geology and ore deposits of the Johnson mining district, Arizona: Tucson, University of Arizona, M.S. thesis, 45 p.
Heineman, R.E.S.
Tucson, University of Arizona, M.S. thesis, 45 p.
Mineral District, Areal, Structure, Stratigraphy, Replacement, Copper, Lead, Zinc,