Geology of the Coal Hill, Hartman, and Clarksville quadrangles, Johnson County and vicinity, Arkansas /
by E. A. Merewether and Boyd R. Haley
- Washington : United States Government Printing Office, 1969
- iii, 27 p. : ill., maps (part col.) ; 29 cm.
- Geology of the Arkansas Valley coal field .
- Geological Survey professional paper ; 536-C .
"Prepared in cooperation with the Arkansas Geological Commission." Part of illustrative matter in pocket