TY  - RPRT
TI  - Ground-water levels in Arkansas, spring 1989
AU  - P.W. Westerfield
AU  - G.J. Gonthier
PY  - 1990
DO  - 10.3133/ofr90121
UR  - https://pubs.usgs.gov/publication/ofr90121
ID  - ofr90121
ER  -