http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Hydrologic investigations of prairie potholes in North Dakota, 1959-68
x, A 1-A 102 pages : illustrations (3 folded in pocket) ; 29 cm.
"Prepared as part of the program of the U.S. Department of the Interior for the development of the Missouri River Basin."
Hydrology of prairie potholes in North Dakota
Geological Survey professional paper ; 585-A