2014. Owen, Andrew and Levinson, David M. Access Across America: Transit Data 2014 for Minneapolis-St. Paul-Bloomington, MN-WI. 17.06Mb shapefile download. University of Minnesota.
1910. Ehrman-Solberg, Kevin, Petersen, Penny, Mills, Marguerite, Delegard, Kirsten, and Mattke, Ryan. This data was compiled by the Mapping Prejudice Project and shows the location of racial covenants recorded in Hennepin County between 1910 and 195... University of Minnesota.
1968. Paul Jacobs, Rebecca Barney, Len Kne, Ya Tao, and Dan Milz. A digitized version of Ian McHarg's original 1968 Ecological Study for the Twin Cities Metropolitan Area: Composite Intrinsic Suitability. These ma... University of Minnesota Digital Conservancy.