http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Status of water levels in aquifers in the Nacatoch Sand of southwestern and northeastern Arkansas and the Tokio Formation of southwestern Arkansas, 1999
Arkansas Soil and Water Conservation Commission
by T.P. Schrader ; prepared in cooperation with the Arkansas Soil and Water Conservation Commission and the Arkansas Geological Commission.
Mode of access: Internet from the USGS web site. Address as of 10/8/008: http://pubs.er.usgs.gov/djvu/WRI/wrir%5F99%5F4208.djvu ; current access available via PURL.
Water-resources investigations report ; 99-4208