Status of water levels and selected water-quality conditions in the Sparta-Memphis aquifer in Arkansas, spring-summer 2003 / by T.P. Schrader ; prepared in cooperation with the Arkansas Natural Resources Commission and the Arkansas Geological Commission.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2006.
Mode of access: Internet at the USGS web site. Address as of 7/29/08: http://pubs.er.usgs.gov/usgspubs/sir/sir20065021; current access is available via PURL.
Note
Title from PDF title page (viewed on July 29, 2008).