Randolph County
- Chester vicinity, Menard Correctional Center (Cover Document) (HIBS R-1997-1)
- Chester vicinity, Menard Correctional Center, Administration Building (HIBS R-2003-1-A)
- Chester vicinity, Menard Correctional Center, Cellhouse C (HIBS R-1997-1-A)
- Chester vicinity, Menard Correctional Center, Electric Eye Building, (HIBS R-2003-1-B)
- Chester vicinity, Menard Correctional Center, Interior Perimeter Office (HIBS R-1997-1-D)
- Chester vicinity, Menard Correctional Center, Laundry (HIBS R-1997-1-C)
- Chester vicinity, Menard Correctional Center, Old Hospital (HIBS R-1997-1-B)
- Eden vicinity, Oliver Bannister House (HABS IL-297)
- Fort Gage, Fort Kaskaskia (ruins) (HABS IL-287)
- Fort Gage, Pierre Menard House, County Highway 6 (HABS IL-286)
- Prairie du Rocher, French (Creole) House, Market Street (HABS IL-234) (covenant, EXPIRED)
- Prairie du Rocher vicinity, Fort de Chartres (HABS IL-304)
- Prairie du Rocher vicinity, Fort de Chartres, Commandant's Quarters (foundations) (HABS IL-301)
- Prairie du Rocher vicinity, Fort de Chartres, East Barracks (foundations) (HABS IL-299)
- Prairie du Rocher vicinity, Fort de Chartres, Officers' Quarters (foundations) (HABS IL-289)
- Prairie du Rocher vicinity, Fort de Chartres, Powder Magazine (HABS IL-288)
- Prairie du Rocher vicinity, Fort de Chartres, Powder Magazine (HABS IL-1157)
- Prairie du Rocher vicinity, Fort de Chartres, West Barracks (foundations) (HABS IL-300)
- Red Bud, Schuck House (HABS IL-294)
- Sparta vicinity, Amos Glen House (HABS IL-292)
- Sparta vicinity, Fulton House (HABS IL-293)
- Tilden vicinity, Sammuel Boyd House (HABS IL-298)
- Rural Randolph County, 1993 Flood, Allard House (HIBS R-1996-1)
- Rural Randolph County, 1993 Flood, Baumbauer Blacksmith Shop (HIBS R-1996-3)
- Rural Randolph County, 1993 Flood, Williamson House (HIBS R-1996-2)
- Rural Randolph County, Modoc Rock Shelter (letter of agreement, EXPIRED)