| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 377, 388 Cooper, J.R. & L.T. Silver (1964), Geology and ore deposits of the Dragoon quadrangle, Cochise Co., AZ, USGS PP 416 Cooper, J.R. (1957), Metamorphism and volume losses in carbonate rocks near Johnson Camp, Cochise Co., AZ, Geol. Soc. Amer. Bull.: 68: 577-610 Wilson, E.D. (1941), AZ Bur. Mines Bull. 148: 45. Kellogg, L.O. (1906), Sketch of the geology and ore deposits of the Cochise mining district, Cochise Co., AZ, Econ.Geol.: 1: 651-659 |
Burro Pit, Johnson Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA