http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground-water resources of Morton County, North Dakota
v, 51 pages : illustrations, maps (some color) ; 23 cm.
by D. J. Ackerman ; prepared by the U.S. Geological Survey, in cooperation with the North Dakota Geological Survey, North Dakota State Water Commission, and Morton County Water Management District.
Bulletin (North Dakota Geological Survey) ; 72, pt. 3