1990. Wisconsin Department of Natural Resources. This is a polygon shapefile derived from a 1:500,000-scale map showing the original, pre-settlement vegetation cover in Wisconsin. The original veg...
2016. Purdue University, Department of Biological Sciences. LAND_COVER_PRESETTLEMENT_IDNR_IN.SHP is a polygon shapefile showing generalized presettlement vegetation types of Indiana, circa 1820. The work was... State of Indiana.
2008. Axis Geospatial. This data set contains treeline areas for Queen Anne's County. Tree groups were modified where new residential or commercial development and new ro... Queen Anne's County, Maryland.