Indiana. Department of Natural ResourcesIDNR documentation states - ������This dataset contains polygon locations of sites in Indiana that have been included in the National Register of Historic Places. It includes buildings, districts, sites, cemeteries, bridges, structures and objects. It is not complete, may be inaccurate, and may be modified as new information is prepared. The absence of information in a particular location does not necessarily indicate that no such resources exist in said location.������Shapefilebdf4db01-eafc-42f8-a1cd-fa9a7649f80bengIndianaMAPPublicHistoric Districts that are included in the National Register of Historic Places: IndianaWeb servicesIndiana2017