Indiana Spatial Data Portal (ISDP)The Indiana Spatial Data Portal (ISDP) provides access to more than 20 terabytes of Indiana geospatial data. Most datasets are available to the public for download and have no use restrictions. Available statewide datasets include aerial photos, topographic maps and elevation data. In addition, the ISDP hosts several local datasets including aerial photography and vector basemaps for Allen, Bartholomew, Boone, Dearborn, Hamilton, Hancock, Hendricks, Johnson, Marion, Monroe, Morgan, Shelby and Wayne Counties.
