Edited by Spencer Titley, Department of Geology, University of Arizona, and Carol Hicks, United States Geological Survey.

Hardback, 287 pages. Published by the University of Arizona Press in 1966.

Includes 23 papers on porphyry copper deposits in Nevada, Utah, Arizona, New Mexico, and one over the border in Mexico, and includes well-known mines such as Bingham, Morenci, and Bisbee.