| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Eastburn's Quarries, New Castle County, Delaware, USA | 39° 44' 25" N | 75° 43' 0" W | 1.5km (0.9 miles) | |
| Wooddale, New Castle County, Delaware, USA | 39° 45' 58" N | 75° 38' 12" W | 7.0km (4.3 miles) | |
| Wooddale Quarries, Wooddale, New Castle County, Delaware, USA | 39° 46' 0" N | 75° 37' 59" W | 7.2km (4.5 miles) | |
| West Branch pegmatite, Newark, New Castle County, Delaware, USA | 39° 41' 45" N | 75° 46' 31" W | 7.2km (4.5 miles) | |
| Landenberg, London Britain Township, Chester County, Pennsylvania, USA | 39° 46' 37" N | 75° 46' 17" W | 7.7km (4.8 miles) | |
| Dickson's Quarry (Dixon's Quarry), Wilmington, New Castle County, Delaware, USA | 39° 47' 1" N | 75° 37' 39" W | 8.8km (5.5 miles) | |
| Way's Quarry, Centerville (Centreville), New Castle County, Delaware, USA | 39° 46' 59" N | 75° 37' 0" W | 9.5km (5.9 miles) | |
| Mount Cuba serpentinite, New Castle County, Delaware, USA | 39° 47' 42" N | 75° 37' 28" W | 9.8km (6.1 miles) | |
| Nevin's Quarry, Landenberg, London Britain Township, Chester County, Pennsylvania, USA | 39° 48' 45" N | 75° 45' 0" W | 9.9km (6.1 miles) | |
| Chestnut Hill, Newark, New Castle County, Delaware, USA | 39° 39' 4" N | 75° 46' 11" W | 10.5km (6.5 miles) | |
| Chestnut Hill pits, Chestnut Hill, Newark, New Castle County, Delaware, USA | 39° 39' 2" N | 75° 46' 14" W | 10.6km (6.6 miles) | |
| Iron Hill Mine (Chestnut Hill Mine), Newark, New Castle County, Delaware, USA | 39° 38' 13" N | 75° 45' 21" W | 11.3km (7.0 miles) | |
| Elk Mills Quarry (D. M. Stoltzfus and Sons; Inc.), Cecil County, Maryland, USA | 39° 39' 29" N | 75° 48' 50" W | 12.4km (7.7 miles) | |
| Elk Creek pegmatite, Elk Township, Chester County, Pennsylvania, USA | 39° 43' 51" N | 75° 51' 1" W | 12.5km (7.8 miles) | |
| Route Interstate 95 at 7th Street, Wilmington, New Castle County, Delaware, USA | 39° 44' 46" N | 75° 33' 32" W | 12.5km (7.8 miles) | |
| Centerville (Centreville), New Castle County, Delaware, USA | 39° 49' 17" N | 75° 37' 0" W | 12.5km (7.8 miles) | |
| Kennett Square, Kennett Township, Chester County, Pennsylvania, USA | 39° 50' 48" N | 75° 42' 43" W | 12.9km (8.0 miles) | |
| Pocopson, Pocopson Township, Chester County, Pennsylvania, USA | 39° 48' 33" N | 75° 35' 30" W | 13.0km (8.1 miles) | |
| Brandywine Quarry (Hubbard Quarry), Wilmington, New Castle County, Delaware, USA | 39° 45' 53" N | 75° 33' 22" W | 13.2km (8.2 miles) | |
| Swain's Quarry, Pennsbury Township, Chester County, Pennsylvania, USA | 39° 50' 10" N | 75° 37' 48" W | 13.3km (8.3 miles) | |
| Wilmington Granite Company Quarries, Wilmington, New Castle County, Delaware, USA | 39° 44' 51" N | 75° 32' 17" W | 14.3km (8.9 miles) | |
| Henry Pusey's quarry, Willowdale, East Marlboro Township, Chester County, Pennsylvania, USA | 39° 51' 47" N | 75° 44' 43" W | 15.1km (9.4 miles) | |
| Woodlawn Quarry, Wilmington, New Castle County, Delaware, USA | 39° 49' 47" N | 75° 34' 16" W | 15.8km (9.8 miles) | |
| Willowdale, East Goshen Township, Chester County, Pennsylvania, USA | 39° 52' 27" N | 75° 43' 5" W | 16.0km (9.9 miles) | |
| Willowdale, East Marlboro Township, Chester County, Pennsylvania, USA | 39° 52' 27" N | 75° 43' 3" W | 16.0km (9.9 miles) | |
| R. Baily's Quarry, Unionville, West Marlboro Township, Chester County, Pennsylvania, USA | 39° 51' 59" N | 75° 46' 0" W | 16.0km (9.9 miles) | |
| Petrillo Quarry (Shellpot Quarry), Wilmington, New Castle County, Delaware, USA | 39° 45' 44" N | 75° 30' 52" W | 16.6km (10.3 miles) | |
| Beaver Valley (Chandler's Hollow), New Castle County, Delaware, USA | 39° 50' 21" N | 75° 33' 51" W | 16.9km (10.5 miles) | |
| Corundum Hill, Unionville, Newlin Township, Chester County, Pennsylvania, USA | 39° 53' 0" N | 75° 43' 59" W | 17.1km (10.6 miles) | |
| Chadds Ford, Birmingham Township, Chester County, Pennsylvania, USA | 39° 52' 19" N | 75° 35' 51" W | 18.1km (11.3 miles) | |
West Branch pegmatite, Newark, New Castle County, Delaware, USA