This data is a digitized version of Ian McHarg's original 1968 map - "An Ecological Study for the Twin Cities Metropolitan Area: Composite Intrinsic Suitability."

A shapefile was generated from ArcINFO coverages, which were in turn created by digitizing a 1968 paper map of land use in the Twin Cities Metropolitan Area. The map was...

A shapefile was generated from ArcINFO coverages, which were in turn created by digitizing a 1978 paper map of land use in the Twin Cities Metropolitan Area. The map was...

A shapefile was generated from ArcINFO coverages, which were in turn created by digitizing a 1958 paper map of land use in the Twin Cities Metropolitan Area. The map was...