Schoenberg, M. (1984). Water levels and water-level changes in the Prairie du Chien-Jordan and Mount Simon-Hinckley aquifers, Twin Cities metropolitan area, Minnesota, 1971-80. U.S. Geological Survey.
Chicago Style (17th ed.) CitationSchoenberg, Michael. Water Levels and Water-level Changes in the Prairie Du Chien-Jordan and Mount Simon-Hinckley Aquifers, Twin Cities Metropolitan Area, Minnesota, 1971-80. St. Paul, Minnesota: U.S. Geological Survey, 1984.
MLA (9th ed.) CitationSchoenberg, Michael. Water Levels and Water-level Changes in the Prairie Du Chien-Jordan and Mount Simon-Hinckley Aquifers, Twin Cities Metropolitan Area, Minnesota, 1971-80. U.S. Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.