Potentiometric surfaces in the Cockfield and Wilcox aquifers of southern and northeastern Arkansas, 2003 [electronic resource] / by Daniel S. Yeatts ; prepared in cooperation with the Arkansas Soil and Water Conservation Commission and the Arkansas Geological Commission.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2004.
Mode of access: Internet at the USGS web site. Address as of 9/23/08: http://pubs.usgs.gov/sir/2004/5169/SIR2004-5169.pdf ; current access is available via PURL.
