Big Ten Academic Alliance Geospatial Information Network.
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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 Mapping Prejudice Project.
1958. Chen, Wei and Levinson, David M. High-quality GIS land use maps for the Twin Cities Metropolitan Area for 1958 that were developed from paper maps (no GIS version existed previousl...