TY - RPRT TI - Potentiometric Surfaces and Water-Level Trends in the Cockfield (Upper Claiborne) and Wilcox (Lower Wilcox) Aquifers of Southern and Northeastern Arkansas, 2009 AU - Aaron L. Pugh PY - 2010 DO - 10.3133/sir20105014 UR - https://pubs.usgs.gov/publication/sir20105014 ID - sir20105014 ER -