http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
digital-computer model of the Big Sioux aquifer in Minnehaha County, South Dakota
East Dakota Conservancy Sub-district (S.D.)
Department of Water and Natural Resources.
1 online resource (vii, 49 pages) : illustrations, maps.
"Prepared in cooperation with the East Dakota Conservancy Sub-district, the South Dakota Department of Water and Natural Resources, and Minnehaha County."
Includes bibliographical references (page 49).
Water-resources investigations report ; 82-4064