| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Reeser's Summit, Frogtown, York County, Pennsylvania, USA | 40° 12' 2" N | 76° 52' 1" W | 3.8km (2.4 miles) | |
| Frogtown, York County, Pennsylvania, USA | 40° 10' 53" N | 76° 51' 29" W | 6.1km (3.8 miles) | |
| Mechanicsburg area, Cumberland County, Pennsylvania, USA | 40° 12' 51" N | 77° 0' 30" W | 10.7km (6.7 miles) | |
| John T. Dyer Quarry (Dyer's Quarry; Marysville Quarry), Marysville, Perry County, Pennsylvania, USA | 40° 19' 52" N | 76° 55' 22" W | 11.5km (7.1 miles) | |
| Marysville, Perry County, Pennsylvania, USA | 40° 20' 24" N | 76° 55' 48" W | 12.6km (7.8 miles) | |
| Brownstone Quarry No.4, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 29" N | 76° 41' 43" W | 16.1km (10.0 miles) | |
| Three Mile Island Nuclear Generating Station, Three Mile Island, Dauphin County, Pennsylvania, USA | 40° 9' 13" N | 76° 43' 30" W | 16.1km (10.0 miles) | |
| Brownstone Quarry No.2, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 32" N | 76° 41' 34" W | 16.3km (10.1 miles) | |
| Brownstone Quarry No.1, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 31" N | 76° 41' 27" W | 16.5km (10.2 miles) | |
| Brownstone Quarry No.3, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 31" N | 76° 41' 15" W | 16.8km (10.4 miles) | |
| King Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 32" N | 76° 59' 55" W | 16.8km (10.4 miles) | |
| Jauss Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 43" N | 77° 0' 22" W | 16.9km (10.5 miles) | |
| Underwood Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 0' 51" W | 17.3km (10.7 miles) | |
| Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 38" N | 77° 0' 42" W | 17.3km (10.7 miles) | |
| Altland Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 38" N | 77° 0' 41" W | 17.3km (10.7 miles) | |
| Longnecker Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 0' 52" W | 17.3km (10.8 miles) | |
| McCormick Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 46" N | 77° 1' 2" W | 17.4km (10.8 miles) | |
| Price Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 11" N | 77° 0' 4" W | 17.4km (10.8 miles) | |
| Bell Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 32" N | 77° 0' 42" W | 17.4km (10.8 miles) | |
| Warrington Township, York County, Pennsylvania, USA | 40° 4' 59" N | 76° 56' 58" W | 17.5km (10.9 miles) | |
| Smyser Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 34" N | 77° 0' 53" W | 17.6km (10.9 miles) | |
| Grove Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 10" N | 77° 0' 46" W | 18.0km (11.2 miles) | |
| Old York Road/State Route 4026 Roadcut, Rossville, Warrington Township, York County, Pennsylvania, USA | 40° 4' 18" N | 76° 55' 24" W | 18.1km (11.3 miles) | |
| Zeolite locality, Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 1' 59" W | 18.4km (11.4 miles) | |
| Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 1' 59" W | 18.4km (11.4 miles) | |
| Rossville, Warrington Township, York County, Pennsylvania, USA | 40° 3' 50" N | 76° 55' 4" W | 18.9km (11.8 miles) | |
| White Rock Acres, Carlisle, Cumberland County, Pennsylvania, USA | 40° 7' 44" N | 77° 4' 55" W | 20.3km (12.6 miles) | |
| Unnamed Calcite occurrence, Boiling Springs, Cumberland County, Pennsylvania, USA | 40° 9' 7" N | 77° 6' 18" W | 20.8km (12.9 miles) | |
| Reading Ore Banks, Boiling Springs, Cumberland County, Pennsylvania, USA | 40° 8' 1" N | 77° 6' 31" W | 22.0km (13.6 miles) | |
| Boiling Springs, Cumberland County, Pennsylvania, USA | 40° 8' 58" N | 77° 7' 41" W | 22.6km (14.1 miles) | |
Reeser's Summit, Frogtown, York County, Pennsylvania, USA