http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hydrogeology of a spring in a glacial terrane near Ashland, Ohio
1 online resource (iii, 17 pages) : illustrations, maps.
"Prepared in cooperation with the Ohio Department of Natural Resources, Division of Water."
Includes bibliographical references (page 16).
Contributions to the hydrology of the United States
Geological Survey water-supply paper ; no. 1619-A