June 19, 2017 17:38 Updated Follow Contact the Division of Historic Preservation and Archaeology (317-232-1646), Indiana Department of Natural Resources. Related articles Can I apply for an historical marker for an historic cemetery, courthouse, covered bridge, or one-room school? What do we know about the Underground Railroad in Indiana? How can I obtain an Indiana historical marker? How do I get my building/house on historical listings? I want to do something to my historic home or structure. Do I need approval from the DHPA?