TY  - RPRT
TI  - Geology of the Knoxville and Delaware quadrangles, Johnson and Logan counties and vicinity, Arkansas
AU  - E.A. Merewether
PY  - 1971
DO  - 10.3133/pp657b
UR  - https://pubs.usgs.gov/publication/pp657B
ID  - pp657B
ER  -