Guild, F.N., 1905, Petrography of the Tucson Mountains, Pima County, Arizona: American Journal of Science, 4th ser., v. 20, p. 313-318. Authors Guild, F.N. Publication Date 1905 Citation American Journal of Science, 4th ser., v. 20, p. 313-318. State AZ Province BR County PM Placenames Tucson Mts. Keywords Mineral District Igneous Petrology Volcanic More Keywords Mineral District, Igneous Petrology, Volcanic, AzGeoBib RefNum 3905