http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Geology and ground-water resources of Bradley, Calhoun, and Ouachita Counties, Arkansas
1 online resource (iv, 32 pages) : illustrations, maps.
"Prepared in cooperation with the Arkansas Geological Commission."
Includes bibliographical references (pages 30-32).
Contributions to the hydrology of the United States
Water-supply paper (Washington, D.C.) ; no. 1779-G