| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Phoenix Mine, Charlestown Township, Chester County, Pennsylvania, USA | 40° 5' 50" N | 75° 31' 24" W | 0.0km (0.0 miles) | |
| Brookdale Mine, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 3" N | 75° 31' 14" W | 0.5km (0.3 miles) | |
| Southwest Chester County Mine (New Chester County Mine), Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 15" N | 75° 31' 18" W | 0.8km (0.5 miles) | |
| Montgomery Mine, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 17" N | 75° 31' 32" W | 0.9km (0.5 miles) | |
| Chester County Mine, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 21" N | 75° 31' 5" W | 1.1km (0.7 miles) | |
| Wheatley Mines, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 20" N | 75° 31' 0" W | 1.1km (0.7 miles) | |
| Pennypacker Mine, Charlestown Township, Chester County, Pennsylvania, USA | 40° 5' 14" N | 75° 31' 0" W | 1.2km (0.8 miles) | |
| Charleston Mine, Charlestown Township, Chester County, Pennsylvania, USA | 40° 6' 29" N | 75° 32' 0" W | 1.5km (0.9 miles) | |
| Buckwater Mine, Charlestown Township, Chester County, Pennsylvania, USA | 40° 6' 0" N | 75° 32' 59" W | 2.3km (1.4 miles) | |
| Napolean Mine (Jug Hollow Mine), Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 0" N | 75° 32' 59" W | 2.3km (1.4 miles) | |
| Morris Mine, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 7' 21" N | 75° 30' 42" W | 3.0km (1.8 miles) | |
| Mill Lane Farms (Great Valley Corporate Center), Valley Store, East Whiteland Township, Chester County, Pennsylvania, USA | 40° 3' 16" N | 75° 31' 59" W | 4.8km (3.0 miles) | |
| Samuel Coffman Mine, East Whiteland Township, Chester County, Pennsylvania, USA | 40° 3' 16" N | 75° 32' 16" W | 4.9km (3.0 miles) | |
| Valley Store, East Whiteland Township, Chester County, Pennsylvania, USA | 40° 3' 7" N | 75° 31' 35" W | 5.0km (3.1 miles) | |
| Phoenixville tunnel (Conrail tunnel; Black Rock tunnel), Phoenixville, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 8' 44" N | 75° 30' 56" W | 5.4km (3.3 miles) | |
| Malvern, Malvern Borough, Chester County, Pennsylvania, USA | 40° 2' 10" N | 75° 30' 50" W | 6.9km (4.3 miles) | |
| Ecton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 33" N | 75° 26' 33" W | 7.6km (4.7 miles) | |
| General Trimble's Mine, East Whiteland Township, Chester County, Pennsylvania, USA | 40° 3' 4" N | 75° 35' 23" W | 7.6km (4.7 miles) | |
| Benjamin Franklin Mine, Chester Springs, West Pikeland Township, Chester County, Pennsylvania, USA | 40° 5' 39" N | 75° 37' 0" W | 7.9km (4.9 miles) | |
| Chester Springs, West Pikeland Township, Chester County, Pennsylvania, USA | 40° 5' 41" N | 75° 37' 0" W | 7.9km (4.9 miles) | |
| Whim shaft, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 50" N | 75° 26' 20" W | 8.1km (5.0 miles) | |
| Perkiomen Copper Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 58" N | 75° 26' 16" W | 8.3km (5.1 miles) | |
| Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 40" N | 75° 25' 54" W | 8.5km (5.3 miles) | |
| Collegeville Amethyst Locality, Collegeville, Upper Providence Township, Montgomery County, Pennsylvania, USA | 40° 9' 45" N | 75° 27' 54" W | 8.8km (5.5 miles) | |
| King of Prussia, Upper Merion Township, Montgomery County, Pennsylvania, USA | 40° 5' 47" N | 75° 22' 56" W | 12.0km (7.5 miles) | |
| Henderson Station, Upper Merion Township, Montgomery County, Pennsylvania, USA | 40° 5' 10" N | 75° 21' 27" W | 14.2km (8.8 miles) | |
| Limestone quarry, Upper Merion Township, Montgomery County, Pennsylvania, USA | 40° 5' 40" N | 75° 21' 18" W | 14.3km (8.9 miles) | |
| Marshall Quarry, West Goshen Township, Chester County, Pennsylvania, USA | 39° 58' 49" N | 75° 36' 6" W | 14.6km (9.1 miles) | |
| Bridgeport, Bridgeport Borough, Montgomery County, Pennsylvania, USA | 40° 6' 17" N | 75° 20' 44" W | 15.2km (9.4 miles) | |
| Castle Rock, Edgemont Township, Delaware County, Pennsylvania, USA | 39° 58' 22" N | 75° 26' 26" W | 15.6km (9.7 miles) | |
Mill Lane Farms, Valley Store, East Whiteland Township, Chester County, Pennsylvania, USA