Tertiary and Quaternary geology of the lower Rio Grande region, Texas,
by A.C. Trowbridge.
- Washington, U.S. Govt. Print. Off., 1932.
- viii, 260 p. incl. maps, tables, diagrs., 45 pl. (incl. 11 maps (9 fold. in pocket) fold. diagr.) 23 cm.
- U.S. Geological survey. Bulletin 837 .
At head of title: United States Department of the Interior.