Trischka, Carl, 1931, Bisbee ore bodies reviewed: Engineering and Mining Journal, v. 131, no. 11, p. 500-505.
Engineering and Mining Journal, v. 131, no. 11, p. 500-505.
Mineral District, Porphyry Copper, Mineralization, Areal, Structure, Stratigraphy, Alteration, Supergene Enrichment,