| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Champaign County Highway Department pit, Champaign County, Illinois, USA | 40° 6' 42" N | 88° 12' 6" W | 13.6km (8.5 miles) | |
| Urbana City Engineering, Champaign County, Illinois, USA | 40° 6' 42" N | 88° 12' 6" W | 13.6km (8.5 miles) | |
| Fairmount Quarry & Mill (Plant No. 16), Vermilion County, Illinois, USA | 40° 0' 37" N | 87° 49' 49" W | 21.2km (13.2 miles) | |
| Rantoul City Engineering, Champaign County, Illinois, USA | 40° 18' 53" N | 88° 0' 0" W | 22.9km (14.2 miles) | |
| Harmattan Mine Shale Exposure, Vermilion County, Illinois, USA | 40° 8' 15" N | 87° 43' 9" W | 27.5km (17.1 miles) | |
| Western Brick Company Shale Exposure Occurrence (Danville Pit), Vermilion County, Illinois, USA | 40° 6' 34" N | 87° 41' 20" W | 30.0km (18.6 miles) | |
| Hegeler Zinc smelter slag locality, Hegeler, Vermilion County, Illinois, USA | 40° 4' 33" N | 87° 39' 0" W | 33.5km (20.8 miles) | |
| Hegeler, Vermilion County, Illinois, USA | 40° 4' 32" N | 87° 38' 30" W | 34.3km (21.3 miles) | |
| Danville Pit, Danville, Vermilion County, Illinois, USA | 40° 7' 45" N | 87° 37' 45" W | 35.1km (21.8 miles) | |
| Tuscola Stone Company Quarry, Tuscola, Douglas County, Illinois, USA | 39° 47' 12" N | 88° 14' 12" W | 39.8km (24.7 miles) | |
| Douglas County Highway Department pit, Douglas County, Illinois, USA | 39° 47' 53" N | 88° 16' 54" W | 40.4km (25.1 miles) | |
| Unnamed Limestone Quarry (MRDS - 10120331), Edgar County, Illinois, USA | 39° 47' 21" N | 87° 43' 54" W | 44.5km (27.7 miles) | |
| Monticello City Pit, Piatt County, Illinois, USA | 40° 1' 18" N | 88° 34' 18" W | 46.2km (28.7 miles) | |
| Piatt County Highway Department pit, Piatt County, Illinois, USA | 40° 1' 18" N | 88° 34' 18" W | 46.2km (28.7 miles) | |
| Cayuga Shale Pit (Colonial Pit), Vermillion County, Indiana, USA | 39° 56' 18" N | 87° 28' 23" W | 52.1km (32.4 miles) | |
| Limestone Prospect (MRDS - 10144503), Edgar County, Illinois, USA | 39° 40' 24" N | 87° 36' 52" W | 60.8km (37.8 miles) | |
| Limestone Prospect (MRDS - 10168994), Edgar County, Illinois, USA | 39° 37' 50" N | 87° 39' 50" W | 62.5km (38.8 miles) | |
| Dana Clay Pit (Arketex Ceramic; Inc.), Vermillion County, Indiana, USA | 39° 49' 9" N | 87° 23' 43" W | 64.0km (39.8 miles) | |
| Charleston Quarry (Humphreys Pit), Coles County, Illinois, USA | 39° 31' 58" N | 88° 6' 56" W | 64.7km (40.2 miles) | |
| Lang Quarry, Coles County, Illinois, USA | 39° 31' 29" N | 88° 6' 18" W | 65.5km (40.7 miles) | |
| Dee Clay Pit, Parke County, Indiana, USA | 39° 47' 30" N | 87° 22' 24" W | 67.2km (41.7 miles) | |
| Unnamed Limestone Quarry (MRDS - 10120764), Coles County, Illinois, USA | 39° 30' 15" N | 88° 6' 50" W | 67.8km (42.2 miles) | |
| Mud Pine Creek, Rainsville, Warren County, Indiana, USA | 40° 24' 49" N | 87° 20' 36" W | 68.1km (42.3 miles) | |
| Limestone Prospect (MRDS - 10193733), Edgar County, Illinois, USA | 39° 31' 5" N | 87° 49' 5" W | 68.7km (42.7 miles) | |
| Charleston City Engineering, Coles County, Illinois, USA | 39° 29' 30" N | 88° 10' 23" W | 69.9km (43.4 miles) | |
| Coles County Highway Department pit, Coles County, Illinois, USA | 39° 29' 30" N | 88° 10' 23" W | 69.9km (43.4 miles) | |
| Dee Clay Products Company; Inc. (Cayuga Clay Mine), Parke County, Indiana, USA | 39° 51' 6" N | 87° 17' 42" W | 69.9km (43.4 miles) | |
| Morgan Coal Co. pit, Fountain County, Indiana, USA | 39° 59' 8" N | 87° 14' 11" W | 70.0km (43.5 miles) | |
| Rainsville, Warren County, Indiana, USA | 40° 24' 56" N | 87° 18' 56" W | 70.3km (43.7 miles) | |
| Limestone Prospect (MRDS - 10121033), Edgar County, Illinois, USA | 39° 30' 0" N | 87° 49' 24" W | 70.5km (43.8 miles) | |