http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ground water basic data, Mercer and Oliver Counties, North Dakota
Prepared by the United States Geological Survey in cooperation with the North Dakota State Water Commission, North Dakota Geological Survey, Mercer County Water Management District, and Oliver County Management District.
Bulletin (North Dakota Geological Survey) ; 56, pt. 2