Gillingham, T.E., 1936, Geology of the California mine area, Pima County, Arizona: Tucson, University of Arizona, M.S. thesis, 65 p. Authors Gillingham, T.E. Publication Date 1936 Citation Tucson, University of Arizona, M.S. thesis, 65 p. State AZ Province BR County PM Placenames Empire Mts. Keywords Mineral District Areal Mineralization More Keywords Mineral District, Areal, Mineralization, AzGeoBib RefNum 3610