1. Reconnaissance geologic map of the Gila Wilderness Study Area, southwestern New Mexico [cartographic material] Yale Public content 1975. 2013-08-20T14:49:08Z. 2013-08-30T19:15:57Z. Ratté, James Clifford, 1925-. The Survey. English. Public. New Mexico, Gila Wildernes Study area, Catron County, and Grant County.