Hoagberg, R. K. (1971). Environmental geology of the Twin Cities metropolitan area. Minnesota Geological Survey.
Chicago Style (17th ed.) CitationHoagberg, Rudolph K. Environmental Geology of the Twin Cities Metropolitan Area. [St. Paul: Minnesota Geological Survey, 1971.
MLA (9th ed.) CitationHoagberg, Rudolph K. Environmental Geology of the Twin Cities Metropolitan Area. Minnesota Geological Survey, 1971.
Warning: These citations may not always be 100% accurate.