TY  - RPRT
TI  - Generalized potentiometric surface of the aquifers in the Cockfield Formation, southeastern Arkansas, spring 1980
AU  - D. J. Ackerman
PY  - 1987
DO  - 10.3133/wri874212
UR  - https://pubs.usgs.gov/publication/wri874212
ID  - wri874212
ER  -