Physiographic features of southeastern Ohio,
by Wilbur Sout [and] G. F. Lamb.
- [Columbus] 1939.
- 35 p. incl. illus. (maps) diagrs. 26 cm.
- Geological survey of Ohio. Reprint series no. 1 .
"Reprinted from the Ohio journal of science, vol. xxxviii, no. 2, March, 1938."