TY  - RPRT
TI  - Generalized potentiometric surface of the Sparta-Memphis aquifer, eastern Arkansas, spring 1980
AU  - D. J. Ackerman
PY  - 1987
DO  - 10.3133/wri874282
UR  - https://pubs.usgs.gov/publication/wri874282
ID  - wri874282
ER  -