1989. Balaban, N.H and Minnesota Geological Survey. 9 pls. Scale 1:100,000 and smaller. Pl. 1, data-base; pl. 2, bedrock geology, pl. 3, surficial geology; pl. 4, bedrock topography and depth to bedr... 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.