Boundaries of the United States and the several states /
by Franklin K. Van Zandt.
- Washington : U.S. G.P.O., 1966.
- 291 p., 1 folded leaf of plates : ill., maps (1 col.) ; 23 cm.
- Geological Survey bulletin ; 1212 .
"With miscellaneous geographic information concerning areas, altitudes, and geographic centers." "A revision of U.S. Geological Survey bulletin 817, by Edward M. Douglas, issued in 1930." Includes index.