1994. Owen, Andrew, Levinson, David M, and Murphy, Brendan. The data consist of three publicly-available (but not simple to obtain) datasets procured from the City of Minneapolis and an additional spatial re... 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.