TY  - RPRT
TI  - Geology of the Coal Hill, Hartman, and Clarksville quadrangles, Johnson County and vicinity, Arkansas
AU  - E.A. Merewether
AU  - B.R. Haley
PY  - 1969
DO  - 10.3133/pp536c
UR  - https://pubs.usgs.gov/publication/pp536C
ID  - pp536C
ER  -