TY - RPRT TI - Potentiometric surfaces of aquifers in the Cockfield Formation in southeastern Arkansas and the Wilcox Group in southern and northeastern Arkansas, 2000 AU - Tony P. Schrader AU - Robert L. Joseph PY - 2000 DO - 10.3133/wri004206 UR - https://pubs.usgs.gov/publication/wri004206 ID - wri004206 ER -