Geology of the Santa Rita mining area, New Mexico,
by A.C. Spencer and Sidney Paige.
- Washington, U.S. Govt. Print. Off., 1935.
- iv, 78 p. illus., 6 pl. (incl. fold. col. map, fold. diagr., fold. profile) 23 cm.
- U.S. Geological survey. Bulletin 859 .
At head of title: United States Department of the Interior. Map and profile in pocket. "Literature": p. 10-11.