| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Sciotoville Clay, Scioto County, Ohio, USA | 38° 45' 56" N | 82° 48' 41" W | 21.6km (13.4 miles) | |
| Portsmouth, Scioto County, Ohio, USA | 38° 43' 53" N | 82° 59' 51" W | 27.8km (17.3 miles) | |
| South Shore Clay Bed Prospect, Greenup County, Kentucky, USA | 38° 43' 2" N | 82° 57' 57" W | 28.2km (17.5 miles) | |
| River Creek Clay Bed Prospect (W. Tong West Farm), Greenup County, Kentucky, USA | 38° 42' 6" N | 82° 54' 10" W | 28.6km (17.8 miles) | |
| Clarion Clay, Jackson County, Ohio, USA | 38° 58' 40" N | 82° 30' 52" W | 29.8km (18.5 miles) | |
| Greenup Mine, Greenup County, Kentucky, USA | 38° 40' 0" N | 82° 53' 26" W | 32.3km (20.1 miles) | |
| Howland Tract Mine, Greenup County, Kentucky, USA | 38° 36' 39" N | 82° 58' 7" W | 39.6km (24.6 miles) | |
| Franklin Township, Adams County, Ohio, USA | 38° 59' 1" N | 83° 18' 53" W | 39.6km (24.6 miles) | |
| Norfolk Southern Railroad cut, Franklin Township, Adams County, Ohio, USA | 38° 57' 22" N | 83° 18' 59" W | 39.6km (24.6 miles) | |
| Hannah Clay Company Mine, Greenup County, Kentucky, USA | 38° 36' 44" N | 83° 0' 2" W | 40.2km (25.0 miles) | |
| Norfolk and Western Railroad cut, Beaver Pond, Franklin Township, Adams County, Ohio, USA | 38° 56' 20" N | 83° 20' 41" W | 42.1km (26.2 miles) | |
| Beaver Pond, Franklin Township, Adams County, Ohio, USA | 38° 56' 22" N | 83° 20' 46" W | 42.2km (26.3 miles) | |
| Copperas Mountain, Paxton Township, Ross County, Ohio, USA | 39° 13' 57" N | 83° 11' 52" W | 42.4km (26.4 miles) | |
| Hoods Run Mine, Greenup County, Kentucky, USA | 38° 34' 30" N | 82° 49' 45" W | 42.5km (26.4 miles) | |
| Smith Mine, Greenup County, Kentucky, USA | 38° 34' 30" N | 82° 49' 45" W | 42.5km (26.4 miles) | |
| Bush-Corn Mine, Greenup County, Kentucky, USA | 38° 34' 30" N | 82° 49' 45" W | 42.5km (26.4 miles) | |
| Chillicothe, Ross County, Ohio, USA | 39° 19' 59" N | 82° 58' 56" W | 43.2km (26.9 miles) | |
| Hanson Aggregates Inc. Plum Run Quarry, Peebles, Adams County, Ohio, USA | 38° 56' 52" N | 83° 21' 34" W | 43.4km (26.9 miles) | |
| Lawrence Clay, Lawrence County, Ohio, USA | 38° 39' 18" N | 82° 32' 6" W | 43.7km (27.1 miles) | |
| Locust Grove, Adams County, Ohio, USA | 38° 59' 17" N | 83° 22' 41" W | 45.1km (28.0 miles) | |
| Horner Clay Mine, Greenup County, Kentucky, USA | 38° 34' 25" N | 83° 2' 26" W | 45.4km (28.2 miles) | |
| Bainbridge, Ross County, Ohio, USA | 39° 13' 39" N | 83° 16' 13" W | 46.6km (29.0 miles) | |
| Vinton Coal Company Mine, Elk township, Vinton County, Ohio, USA | 39° 16' 45" N | 82° 30' 33" W | 46.8km (29.1 miles) | |
| Serpent Mound disturbance, Adams County, Ohio, USA | 39° 1' 29" N | 83° 23' 47" W | 47.1km (29.3 miles) | |
| Sinking Spring (1), Highland County, Ohio, USA | 39° 3' 55" N | 83° 23' 13" W | 47.3km (29.4 miles) | |
| Peebles, Adams County, Ohio, USA | 38° 56' 56" N | 83° 24' 20" W | 47.4km (29.4 miles) | |
| Sinking Spring, Highland County, Ohio, USA | 39° 4' 22" N | 83° 23' 11" W | 47.4km (29.5 miles) | |
| Madden Mine, Greenup County, Kentucky, USA | 38° 31' 47" N | 82° 53' 35" W | 47.5km (29.5 miles) | |
| Horner Mine, Lewis County, Kentucky, USA | 38° 34' 40" N | 83° 6' 50" W | 47.6km (29.6 miles) | |
| Sinking Spring (2), Highland County, Ohio, USA | 39° 6' 2" N | 83° 22' 59" W | 48.1km (29.9 miles) | |
