http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Water levels in aquifers in the Nacatoch Sand of southwestern and northeastern Arkansas and the Tokio Formation of southwestern Arkansas, Spring 2008
1 online resource (iv, 22 pages) : illustrations, maps.
by T.P. Schrader and Joshua M. Blackstock ; prepared in cooperation with the Arkansas Natural Resources Commission and the Arkansas Geological Survey.
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (page 22).
Scientific investigations report ; 2010-5238