| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Marysville, Perry County, Pennsylvania, USA | 40° 20' 24" N | 76° 55' 48" W | 10.2km (6.3 miles) | |
| John T. Dyer Quarry (Dyer's Quarry; Marysville Quarry), Marysville, Perry County, Pennsylvania, USA | 40° 19' 52" N | 76° 55' 22" W | 11.3km (7.0 miles) | |
| New Bloomfield, Perry County, Pennsylvania, USA | 40° 25' 7" N | 77° 11' 20" W | 14.2km (8.8 miles) | |
| Mechanicsburg area, Cumberland County, Pennsylvania, USA | 40° 12' 51" N | 77° 0' 30" W | 20.5km (12.7 miles) | |
| Waggoners Gap, Carlisle, Cumberland County, Pennsylvania, USA | 40° 16' 36" N | 77° 16' 40" W | 25.5km (15.8 miles) | |
| Reeser's Summit, Frogtown, York County, Pennsylvania, USA | 40° 12' 2" N | 76° 52' 1" W | 25.6km (15.9 miles) | |
| Frogtown, York County, Pennsylvania, USA | 40° 10' 53" N | 76° 51' 29" W | 27.9km (17.3 miles) | |
| Unnamed Calcite occurrence, Boiling Springs, Cumberland County, Pennsylvania, USA | 40° 9' 7" N | 77° 6' 18" W | 28.2km (17.6 miles) | |
| Ickesburg, Perry County, Pennsylvania, USA | 40° 27' 20" N | 77° 21' 6" W | 28.5km (17.7 miles) | |
| Boiling Springs, Cumberland County, Pennsylvania, USA | 40° 8' 58" N | 77° 7' 41" W | 29.0km (18.0 miles) | |
| East Salem, Juniata County, Pennsylvania, USA | 40° 36' 32" N | 77° 14' 17" W | 29.7km (18.4 miles) | |
| Perry Township, Snyder County, Pennsylvania, USA | 40° 40' 0" N | 76° 58' 59" W | 30.0km (18.7 miles) | |
| Reading Ore Banks, Boiling Springs, Cumberland County, Pennsylvania, USA | 40° 8' 1" N | 77° 6' 31" W | 30.3km (18.8 miles) | |
| White Rock Acres, Carlisle, Cumberland County, Pennsylvania, USA | 40° 7' 44" N | 77° 4' 55" W | 30.3km (18.9 miles) | |
| McCormick Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 46" N | 77° 1' 2" W | 31.7km (19.7 miles) | |
| Zeolite locality, Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 1' 59" W | 31.8km (19.7 miles) | |
| Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 1' 59" W | 31.8km (19.7 miles) | |
| Underwood Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 0' 51" W | 31.8km (19.7 miles) | |
| Longnecker Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 44" N | 77° 0' 52" W | 31.8km (19.8 miles) | |
| Jauss Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 43" N | 77° 0' 22" W | 31.9km (19.8 miles) | |
| Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 38" N | 77° 0' 42" W | 32.0km (19.9 miles) | |
| Altland Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 38" N | 77° 0' 41" W | 32.0km (19.9 miles) | |
| Smyser Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 34" N | 77° 0' 53" W | 32.1km (19.9 miles) | |
| Bell Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 32" N | 77° 0' 42" W | 32.2km (20.0 miles) | |
| King Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 32" N | 76° 59' 55" W | 32.2km (20.0 miles) | |
| Susquehanna Quarry, East Salem, Juniata County, Pennsylvania, USA | 40° 38' 0" N | 77° 15' 0" W | 32.4km (20.2 miles) | |
| Brownstone Quarry No.4, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 29" N | 76° 41' 43" W | 32.8km (20.4 miles) | |
| Price Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 11" N | 77° 0' 4" W | 32.8km (20.4 miles) | |
| Grove Mine, Dillsburg Iron Mines, Dillsburg, York County, Pennsylvania, USA | 40° 6' 10" N | 77° 0' 46" W | 32.8km (20.4 miles) | |
| Brownstone Quarry No.2, Hummelstown, Dauphin County, Pennsylvania, USA | 40° 14' 32" N | 76° 41' 34" W | 32.9km (20.5 miles) | |
