Agencies
Services
Piatt County
- Bement, Bryant House, 146 Wilson Street (HABS IL-223)
- Bement vicinity, Lincoln-Douglas Road Marker (HABS IL-1117)
- Monticello, Bruce Hannon Levee Trail, Sangamon River Corridor Reserve (cultural resource study)
- Monticello, Farmhouses of Allerton Park (HIBS PI-2005-1)
- Monticello, Louis Hammerschmidt House, 817 Charter Street (HABS IL-25-12)
- Monticello, Pepsin Syrup Company, Inc. (HIBS PI-2005-2)
- Monticello, Robert H. Allerton Estate (HABS IL-1216)
- Monticello, Washington Elementary School, 3 Sage Drive (HABS IL-1245)
- White Heath vicinity, Caldwell Elevator, State Road 10 (HABS IL-1134)
- Willow Branch Township, Township Road 105/Oplinger Bridge (HIER PI-2018-1)
