TY  - RPRT
TI  - Thickness of the Mississippi River Valley confining unit, eastern Arkansas
AU  - Gerard Gonthier
AU  - Gary L. Mahon
PY  - 1993
DO  - 10.3133/wri924121
UR  - https://pubs.usgs.gov/publication/wri924121
ID  - wri924121
ER  -