| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Champaign County Highway Department pit, Champaign County, Illinois, USA | 40° 6' 42" N | 88° 12' 6" W | 0.5km (0.3 miles) | |
| Urbana City Engineering, Champaign County, Illinois, USA | 40° 6' 42" N | 88° 12' 6" W | 0.5km (0.3 miles) | |
| Rantoul City Engineering, Champaign County, Illinois, USA | 40° 18' 53" N | 88° 0' 0" W | 28.7km (17.9 miles) | |
| Monticello City Pit, Piatt County, Illinois, USA | 40° 1' 18" N | 88° 34' 18" W | 32.5km (20.2 miles) | |
| Piatt County Highway Department pit, Piatt County, Illinois, USA | 40° 1' 18" N | 88° 34' 18" W | 32.5km (20.2 miles) | |
| Fairmount Quarry & Mill (Plant No. 16), Vermilion County, Illinois, USA | 40° 0' 37" N | 87° 49' 49" W | 34.0km (21.1 miles) | |
| Douglas County Highway Department pit, Douglas County, Illinois, USA | 39° 47' 53" N | 88° 16' 54" W | 35.3km (21.9 miles) | |
| Tuscola Stone Company Quarry, Tuscola, Douglas County, Illinois, USA | 39° 47' 12" N | 88° 14' 12" W | 36.1km (22.4 miles) | |
| Harmattan Mine Shale Exposure, Vermilion County, Illinois, USA | 40° 8' 15" N | 87° 43' 9" W | 41.6km (25.8 miles) | |
| Western Brick Company Shale Exposure Occurrence (Danville Pit), Vermilion County, Illinois, USA | 40° 6' 34" N | 87° 41' 20" W | 44.1km (27.4 miles) | |
| Hegeler Zinc smelter slag locality, Hegeler, Vermilion County, Illinois, USA | 40° 4' 33" N | 87° 39' 0" W | 47.5km (29.5 miles) | |
| Hegeler, Vermilion County, Illinois, USA | 40° 4' 32" N | 87° 38' 30" W | 48.3km (30.0 miles) | |
| Danville Pit, Danville, Vermilion County, Illinois, USA | 40° 7' 45" N | 87° 37' 45" W | 49.2km (30.6 miles) | |
| Unnamed Limestone Quarry (MRDS - 10120331), Edgar County, Illinois, USA | 39° 47' 21" N | 87° 43' 54" W | 54.0km (33.6 miles) | |
| Charleston Quarry (Humphreys Pit), Coles County, Illinois, USA | 39° 31' 58" N | 88° 6' 56" W | 64.7km (40.2 miles) | |
| Cayuga Shale Pit (Colonial Pit), Vermillion County, Indiana, USA | 39° 56' 18" N | 87° 28' 23" W | 65.4km (40.6 miles) | |
| Lang Quarry, Coles County, Illinois, USA | 39° 31' 29" N | 88° 6' 18" W | 65.7km (40.8 miles) | |
| Moultrie Pit, Moultrie County, Illinois, USA | 39° 36' 0" N | 88° 36' 35" W | 66.4km (41.2 miles) | |
| Unnamed Limestone Quarry (MRDS - 10120764), Coles County, Illinois, USA | 39° 30' 15" N | 88° 6' 50" W | 67.9km (42.2 miles) | |
| Coles County Highway Department pit, Coles County, Illinois, USA | 39° 29' 30" N | 88° 10' 23" W | 68.9km (42.8 miles) | |
| Charleston City Engineering, Coles County, Illinois, USA | 39° 29' 30" N | 88° 10' 23" W | 68.9km (42.8 miles) | |
| Limestone Prospect (MRDS - 10144503), Edgar County, Illinois, USA | 39° 40' 24" N | 87° 36' 52" W | 70.1km (43.6 miles) | |
| Macon County Pit, Macon County, Illinois, USA | 39° 50' 30" N | 88° 57' 11" W | 70.3km (43.7 miles) | |
| Limestone Prospect (MRDS - 10168994), Edgar County, Illinois, USA | 39° 37' 50" N | 87° 39' 50" W | 70.7km (43.9 miles) | |
| Mattoon City Engineering, Coles County, Illinois, USA | 39° 28' 54" N | 88° 22' 30" W | 71.4km (44.4 miles) | |
| Chatsworth Clay Shale Pit, Livingston County, Illinois, USA | 40° 45' 45" N | 88° 17' 35" W | 72.9km (45.3 miles) | |
| Diller Pit (Diller Tile Company; Inc. Pit), Livingston County, Illinois, USA | 40° 45' 47" N | 88° 17' 39" W | 72.9km (45.3 miles) | |
| Limestone Prospect (MRDS - 10193733), Edgar County, Illinois, USA | 39° 31' 5" N | 87° 49' 5" W | 73.8km (45.9 miles) | |
| Limestone Prospect (MRDS - 10121033), Edgar County, Illinois, USA | 39° 30' 0" N | 87° 49' 24" W | 75.4km (46.8 miles) | |
| Dana Clay Pit (Arketex Ceramic; Inc.), Vermillion County, Indiana, USA | 39° 49' 9" N | 87° 23' 43" W | 76.4km (47.5 miles) | |