| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| French Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA | 40° 10' 59" N | 75° 43' 0" W | 0.0km (0.0 miles) | |
| Keim's Mine, French Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA | 40° 11' 0" N | 75° 43' 0" W | 0.0km (0.0 miles) | |
| Saint Peters, Warwick Township, Chester County, Pennsylvania, USA | 40° 10' 48" N | 75° 43' 52" W | 1.3km (0.8 miles) | |
| Trap Quarry, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA | 40° 10' 59" N | 75° 43' 59" W | 1.4km (0.9 miles) | |
| Knauertown, Warwick Township, Chester County, Pennsylvania, USA | 40° 10' 17" N | 75° 43' 36" W | 1.6km (1.0 miles) | |
| Warwick (Saint Marys), Warwick Township, Chester County, Pennsylvania, USA | 40° 9' 53" N | 75° 47' 2" W | 6.1km (3.8 miles) | |
| Hopewell mine, Hopewell Mines, Warwick (Saint Marys), Warwick Township, Chester County, Pennsylvania, USA | 40° 10' 13" N | 75° 47' 57" W | 7.2km (4.5 miles) | |
| Hopewell Mines, Warwick (Saint Marys), Warwick Township, Chester County, Pennsylvania, USA | 40° 10' 12" N | 75° 47' 58" W | 7.2km (4.5 miles) | |
| H&K Birdsboro Materials Quarry (Dyer Trap Rock Quarry; Hay Creek Trap Rock Quarry), Hay Creek, Birdsboro, Berks County, Pennsylvania, USA | 40° 14' 48" N | 75° 49' 5" W | 11.1km (6.9 miles) | |
| Jones mine, Hopewell Mines, Warwick (Saint Marys), Warwick Township, Chester County, Pennsylvania, USA | 40° 10' 18" N | 75° 50' 49" W | 11.2km (6.9 miles) | |
| Jones Mine, Morgantown, Caernarvon Township, Berks County, Pennsylvania, USA | 40° 10' 20" N | 75° 50' 56" W | 11.3km (7.0 miles) | |
| Hay Creek, Birdsboro, Berks County, Pennsylvania, USA | 40° 14' 57" N | 75° 49' 17" W | 11.5km (7.2 miles) | |
| Birdsboro, Berks County, Pennsylvania, USA | 40° 15' 51" N | 75° 48' 15" W | 11.7km (7.3 miles) | |
| Sanatoga Station, Lower Pottsgrove Township, Montgomery County, Pennsylvania, USA | 40° 14' 14" N | 75° 35' 52" W | 11.8km (7.3 miles) | |
| Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, USA | 40° 4' 36" N | 75° 44' 53" W | 12.2km (7.6 miles) | |
| Cornog, Wallace Township, Chester County, Pennsylvania, USA | 40° 4' 36" N | 75° 45' 17" W | 12.3km (7.6 miles) | |
| Chester Springs, West Pikeland Township, Chester County, Pennsylvania, USA | 40° 5' 41" N | 75° 37' 0" W | 13.0km (8.1 miles) | |
| Benjamin Franklin Mine, Chester Springs, West Pikeland Township, Chester County, Pennsylvania, USA | 40° 5' 39" N | 75° 37' 0" W | 13.0km (8.1 miles) | |
| Grace Mine, Morgantown, Berks County, Pennsylvania, USA | 40° 10' 15" N | 75° 52' 47" W | 13.9km (8.7 miles) | |
| Morgantown, Caernarvon Township, Berks County, Pennsylvania, USA | 40° 9' 18" N | 75° 53' 24" W | 15.1km (9.4 miles) | |
| Morgantown, Berks County, Pennsylvania, USA | 40° 9' 18" N | 75° 53' 24" W | 15.1km (9.4 miles) | |
| Dyer Quarry, Gibraltar, Birdsboro, Berks County, Pennsylvania, USA | 40° 16' 5" N | 75° 51' 29" W | 15.3km (9.5 miles) | |
| Buckwater Mine, Charlestown Township, Chester County, Pennsylvania, USA | 40° 6' 0" N | 75° 32' 59" W | 16.9km (10.5 miles) | |
| Napolean Mine (Jug Hollow Mine), Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 0" N | 75° 32' 59" W | 16.9km (10.5 miles) | |
| Gibraltar, Birdsboro, Berks County, Pennsylvania, USA | 40° 17' 3" N | 75° 52' 18" W | 17.3km (10.8 miles) | |
| Gabel Mine, Boyertown, Berks County, Pennsylvania, USA | 40° 19' 43" N | 75° 38' 29" W | 17.4km (10.8 miles) | |
| Phoenixville tunnel (Conrail tunnel; Black Rock tunnel), Phoenixville, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 8' 44" N | 75° 30' 56" W | 17.6km (10.9 miles) | |
| Charleston Mine, Charlestown Township, Chester County, Pennsylvania, USA | 40° 6' 29" N | 75° 32' 0" W | 17.7km (11.0 miles) | |
| Boyertown, Berks County, Pennsylvania, USA | 40° 20' 0" N | 75° 38' 15" W | 18.0km (11.2 miles) | |
| Boyertown Mine, Boyertown, Berks County, Pennsylvania, USA | 40° 19' 59" N | 75° 37' 59" W | 18.1km (11.3 miles) | |
French Creek Granite Company Quarry, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA