TY  - RPRT
TI  - Geology of the Greenwood quadrangle, Arkansas-Oklahoma
AU  - B.R. Haley
AU  - T. A. Hendricks
PY  - 1968
DO  - 10.3133/pp536a
UR  - https://pubs.usgs.gov/publication/pp536A
ID  - pp536A
ER  -