http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Current studies of the hydrology of prairie potholes
1 online resource (iii, 11 pages) : illustrations, map.
"Prepared as part of a program of the Department of the Interior for development of the Missouri River basin."
Includes bibliographical references (page 11).