April 25, 2018 15:02 Updated Follow Contact the Division of Historic Preservation and Archaeology (317-232-1646), Indiana Department of Natural Resources. Related articles How do I get my building/house on historical listings? What do we know about the Underground Railroad in Indiana? I want to do something to my historic home or structure. Do I need approval from the DHPA? Does the Bureau have information about designating a structure to be historic? Is it legal to disturb the ground in a cemetery to find tombstones or human remains?