| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Bridgeport, Bridgeport Borough, Montgomery County, Pennsylvania, USA | 40° 6' 17" N | 75° 20' 44" W | 1.9km (1.2 miles) | |
| Limestone quarry, Upper Merion Township, Montgomery County, Pennsylvania, USA | 40° 5' 40" N | 75° 21' 18" W | 3.2km (2.0 miles) | |
| Henderson Station, Upper Merion Township, Montgomery County, Pennsylvania, USA | 40° 5' 10" N | 75° 21' 27" W | 4.2km (2.6 miles) | |
| King of Prussia, Upper Merion Township, Montgomery County, Pennsylvania, USA | 40° 5' 47" N | 75° 22' 56" W | 4.5km (2.8 miles) | |
| Bullock Quarry (Geo. Bullock Quarry; George Bullock Quarry), West Conshohocken, Montgomery County, Pennsylvania, USA | 40° 4' 33" N | 75° 19' 22" W | 5.3km (3.3 miles) | |
| Gill Quarry, East Norriton Township, Montgomery County, Pennsylvania, USA | 40° 10' 10" N | 75° 21' 3" W | 5.4km (3.4 miles) | |
| Highway Materials Quarry (Old Corson Quarry), Whitemarsh Township, Montgomery County, Pennsylvania, USA | 40° 6' 21" N | 75° 15' 9" W | 7.6km (4.7 miles) | |
| Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 40" N | 75° 25' 54" W | 7.9km (4.9 miles) | |
| Perkiomen Copper Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 58" N | 75° 26' 16" W | 8.4km (5.2 miles) | |
| Whim shaft, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 50" N | 75° 26' 20" W | 8.5km (5.3 miles) | |
| D.O. Hitner's Mine, Whitemarsh Township, Montgomery County, Pennsylvania, USA | 40° 5' 36" N | 75° 14' 48" W | 8.5km (5.3 miles) | |
| Ecton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA | 40° 7' 33" N | 75° 26' 33" W | 8.8km (5.4 miles) | |
| Miquon (Miquon Station; Lafayette; Lafayette Station), Whitemarsh Township, Montgomery County, Pennsylvania, USA | 40° 3' 36" N | 75° 15' 55" W | 9.3km (5.8 miles) | |
| Lafayette Station, Philadelphia County, Pennsylvania, USA | 40° 3' 30" N | 75° 15' 59" W | 9.4km (5.8 miles) | |
| Lafayette (opposite Lafayette), Lower Merion Township, Montgomery County, Pennsylvania, USA | 40° 3' 9" N | 75° 15' 57" W | 9.9km (6.2 miles) | |
| Prince's Soapstone Quarry, Lafayette Station, Philadelphia County, Pennsylvania, USA | 40° 3' 15" N | 75° 15' 47" W | 9.9km (6.2 miles) | |
| Rose's Quarry, Gladwyne, Lower Merion Township, Montgomery County, Pennsylvania, USA | 40° 2' 57" N | 75° 16' 10" W | 10.0km (6.2 miles) | |
| Gladwyne Quarries, Gladwyne, Lower Merion Township, Montgomery County, Pennsylvania, USA | 40° 3' 6" N | 75° 15' 55" W | 10.0km (6.2 miles) | |
| Gladwyne, Lower Merion Township, Montgomery County, Pennsylvania, USA | 40° 2' 26" N | 75° 16' 45" W | 10.4km (6.4 miles) | |
| Gwynedd tunnel (Lansdale-Gwynedd tunnel), Upper Gwynedd Township, Montgomery County, Pennsylvania, USA | 40° 11' 50" N | 75° 16' 4" W | 10.4km (6.5 miles) | |
| Hitner's Marble Quarry (Hitner's Quarry), Whitemarsh Township, Montgomery County, Pennsylvania, USA | 40° 7' 0" N | 75° 13' 0" W | 10.5km (6.5 miles) | |
| Collegeville Amethyst Locality, Collegeville, Upper Providence Township, Montgomery County, Pennsylvania, USA | 40° 9' 45" N | 75° 27' 54" W | 11.6km (7.2 miles) | |
| Oreland, Springfield Township, Montgomery County, Pennsylvania, USA | 40° 6' 11" N | 75° 12' 0" W | 12.1km (7.5 miles) | |
| Flat Rock Tunnel, Lower Merion Township, Montgomery County, Pennsylvania, USA | 40° 2' 4" N | 75° 14' 36" W | 12.7km (7.9 miles) | |
| Wissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA | 40° 3' 24" N | 75° 12' 59" W | 12.7km (7.9 miles) | |
| McCrea's Quarry, Germantown, Philadelphia, Philadelphia County, Pennsylvania, USA | 40° 4' 3" N | 75° 11' 50" W | 13.5km (8.4 miles) | |
| Comley's Quarry, Germantown, Philadelphia, Philadelphia County, Pennsylvania, USA | 40° 3' 55" N | 75° 11' 44" W | 13.7km (8.5 miles) | |
| Rock Hill Road, Pencoyd (West Manayunk), Lower Merion Township, Montgomery County, Pennsylvania, USA | 40° 1' 30" N | 75° 14' 20" W | 13.7km (8.5 miles) | |
| Morris Mine, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 7' 21" N | 75° 30' 42" W | 14.6km (9.1 miles) | |
| Wheatley Mines, Schuylkill Township, Chester County, Pennsylvania, USA | 40° 6' 20" N | 75° 31' 0" W | 15.1km (9.4 miles) | |
Ecton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA