| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Polk's Marl pits, Middletown, New Castle County, Delaware, USA | 39° 27' 0" N | 75° 43' 0" W | 0.0km (0.0 miles) | |
| Cecilton, Cecil County, Maryland, USA | 39° 24' 14" N | 75° 52' 2" W | 13.9km (8.7 miles) | |
| Iron Hill Mine (Chestnut Hill Mine), Newark, New Castle County, Delaware, USA | 39° 38' 13" N | 75° 45' 21" W | 21.1km (13.1 miles) | |
| Chestnut Hill pits, Chestnut Hill, Newark, New Castle County, Delaware, USA | 39° 39' 2" N | 75° 46' 14" W | 22.8km (14.2 miles) | |
| Chestnut Hill, Newark, New Castle County, Delaware, USA | 39° 39' 4" N | 75° 46' 11" W | 22.8km (14.2 miles) | |
| Elk Mills Quarry (D. M. Stoltzfus and Sons; Inc.), Cecil County, Maryland, USA | 39° 39' 29" N | 75° 48' 50" W | 24.6km (15.3 miles) | |
| Harrisonville (Pigseye; Pigs Eye), Pennsville Township, Salem County, New Jersey, USA | 39° 36' 6" N | 75° 29' 48" W | 25.3km (15.7 miles) | |
| North East Quarry, Cecil County, Maryland, USA | 39° 36' 6" N | 75° 56' 30" W | 25.6km (15.9 miles) | |
| Hile Works (Leslie Quarry), Cecil County, Maryland, USA | 39° 37' 2" N | 75° 56' 44" W | 27.1km (16.8 miles) | |
| Mechanics Valley Quarry (Maryland Materials; Inc.), Cecil County, Maryland, USA | 39° 38' 26" N | 75° 55' 27" W | 27.7km (17.2 miles) | |
| West Branch pegmatite, Newark, New Castle County, Delaware, USA | 39° 41' 45" N | 75° 46' 31" W | 27.8km (17.3 miles) | |
| Grove Point, Cecilton, Cecil County, Maryland, USA | 39° 23' 11" N | 76° 2' 13" W | 28.4km (17.7 miles) | |
| Clemente Sand Wash, Pennsville, Pennsville Township, Salem County, New Jersey, USA | 39° 39' 15" N | 75° 30' 58" W | 28.5km (17.7 miles) | |
| Eastburn's Quarries, New Castle County, Delaware, USA | 39° 44' 25" N | 75° 43' 0" W | 32.3km (20.1 miles) | |
| Elk Creek pegmatite, Elk Township, Chester County, Pennsylvania, USA | 39° 43' 51" N | 75° 51' 1" W | 33.3km (20.7 miles) | |
| Route Interstate 95 at 7th Street, Wilmington, New Castle County, Delaware, USA | 39° 44' 46" N | 75° 33' 32" W | 35.6km (22.1 miles) | |
| Wooddale, New Castle County, Delaware, USA | 39° 45' 58" N | 75° 38' 12" W | 35.8km (22.3 miles) | |
| Wooddale Quarries, Wooddale, New Castle County, Delaware, USA | 39° 46' 0" N | 75° 37' 59" W | 35.9km (22.3 miles) | |
| Havre De Grace Quarry, Harford County, Maryland, USA | 39° 34' 15" N | 76° 6' 23" W | 36.0km (22.4 miles) | |
| Port Deposit Quarry (Port Deposit Granite Company), Cecil County, Maryland, USA | 39° 35' 8" N | 76° 5' 54" W | 36.1km (22.4 miles) | |
| Wilmington Granite Company Quarries, Wilmington, New Castle County, Delaware, USA | 39° 44' 51" N | 75° 32' 17" W | 36.4km (22.6 miles) | |
| Landenberg, London Britain Township, Chester County, Pennsylvania, USA | 39° 46' 37" N | 75° 46' 17" W | 36.7km (22.8 miles) | |
| Browns Farm Placer (Cox Chromite Placer), Cecil County, Maryland, USA | 39° 43' 0" N | 75° 58' 27" W | 37.0km (23.0 miles) | |
| Brandywine Quarry (Hubbard Quarry), Wilmington, New Castle County, Delaware, USA | 39° 45' 53" N | 75° 33' 22" W | 37.6km (23.4 miles) | |
| East Dover, Dover, Kent County, Delaware, USA | 39° 9' 24" N | 75° 29' 52" W | 37.6km (23.4 miles) | |
| Winzinger pit, Penns Grove, Salem County, New Jersey, USA | 39° 43' 45" N | 75° 27' 58" W | 37.7km (23.4 miles) | |
| White Barrens, Elk Township, Chester County, Pennsylvania, USA | 39° 43' 53" N | 75° 57' 47" W | 37.8km (23.5 miles) | |
| Dickson's Quarry (Dixon's Quarry), Wilmington, New Castle County, Delaware, USA | 39° 47' 1" N | 75° 37' 39" W | 37.9km (23.5 miles) | |
| Way's Quarry, Centerville (Centreville), New Castle County, Delaware, USA | 39° 46' 59" N | 75° 37' 0" W | 38.0km (23.6 miles) | |
| Petrillo Quarry (Shellpot Quarry), Wilmington, New Castle County, Delaware, USA | 39° 45' 44" N | 75° 30' 52" W | 38.8km (24.1 miles) | |
Minerals recorded nearby (within 20 km)
Rock types recorded nearby (within 20 km)
Entries shown in red are rocks recorded for this region.
