References
Robinson, R.F. & A. Cook (1966), The Safford copper deposit, Lone Star mining district, Graham County, Arizona, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, University of Arizona Press, Tucson: 251-266.\nDunn, P.G. (1978) Geologic structure of the Safford district, Arizona, in Jenney, J.P., and Hauck, H.R., eds., Proceedings of the Porphyry Copper Symposium, Tucson, Arizona, March 18-20, 1976: Arizona Geological Society Digest: 11: 9-15.\nCook And Robinson, 1962, N. Mex. Geol. Soc. 13th Field Conf. Guidebook.Horsnail, R.F. (1978) Safford district, Graham County, Arizona, in Lovering, R.G., and McCarthy, J.H., Jr., eds., Conceptual models in exploration geochemistry; the Basin and Range Province of the western United States and northern Mexico: Journal of Geochemical Exploration: 9(2-3): 151-153, 241-243.\nUSGS Pp 424-C, P. 151-153.Abm Bull 180, P. 230-238.Yarter, W.V. (1981) Geology, geochemistry, alteration, and mass transfer in the Sol prospect, a sub-economic porphyry copper-molybdenum deposit, Safford district, Graham County, Arizona: Tucson, University of Arizona, M.S. thesis, 136 p.\nAdmr Sr No 2, P. 83-87.Laine, 1974, M.S. Thesis, Univ Of Az.Bolin, 1976, M.S. Thesi S, Univ Of Az.Dewhurst, 1976, M.S. Thesis, Univ Of Az.Valentine, 19??, M.S. Thesis, Univ Of Utah.World Mining, V. 29, No. 4, P. 139.Langton J M, Williams S A 1982 - Structural, petrological and mineralogical controls for the Dos Pobres orebody, Lone Star Mining District, Graham County, Arizona: in Titley S R 1983 Advances in Geology of the Porphyry Copper Deposits, Southwestern North America University of Arizona Press, Tucson pp 335-352\nThe Porter GeoConsultancy webpage for Dos Pobres, Safford contains a description of the geology as of 8/4/2010.\nhttp://www.portergeo.com.au/Mindat.org contains a description of the Safford deposit as of 8/4/2010.\nhttp://www.mindat.org/loc-53634.htmlCimriWorld Mining, 1974, P. 139.