Status of water levels and selected water-quality conditions in the Mississippi River Valley alluvial aquifer in eastern Arkansas, 2002 [electronic resource] / by T.B. Reed ; 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 9/25/08: http://pubs.usgs.gov/sir/2004/5129/SIR2004-5129.pdf; current access is available via PURL.