| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Mineral Hill Mine, Louisville, Carroll County, Maryland, USA | 39° 26' 12" N | 76° 55' 53" W | 0.0km (0.0 miles) | |
| Beasman prospect, Eldersburg, Carroll County, Maryland, USA | 39° 25' 59" N | 76° 55' 59" W | 0.5km (0.3 miles) | |
| Louisville, Carroll County, Maryland, USA | 39° 26' 54" N | 76° 55' 26" W | 1.4km (0.9 miles) | |
| Monroe prospect, Eldersburg, Carroll County, Maryland, USA | 39° 25' 32" N | 76° 56' 53" W | 1.9km (1.2 miles) | |
| Johnsville, Carroll County, Maryland, USA | 39° 24' 59" N | 76° 57' 25" W | 3.2km (2.0 miles) | |
| Eldersburg, Carroll County, Maryland, USA | 39° 24' 13" N | 76° 57' 0" W | 4.0km (2.5 miles) | |
| Bornite pit, Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA | 39° 22' 54" N | 76° 58' 27" W | 7.1km (4.4 miles) | |
| Finksburg, Carroll County, Maryland, USA | 39° 29' 34" N | 76° 53' 21" W | 7.2km (4.5 miles) | |
| Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA | 39° 22' 52" N | 76° 58' 28" W | 7.2km (4.5 miles) | |
| Harris Mine, Baltimore County, Maryland, USA | 39° 25' 14" N | 76° 50' 57" W | 7.3km (4.5 miles) | |
| Elms Farm, Patapsco Mines, Finksburg, Carroll County, Maryland, USA | 39° 29' 8" N | 76° 52' 26" W | 7.3km (4.5 miles) | |
| Wildesen Mine, Patapsco Mines, Finksburg, Carroll County, Maryland, USA | 39° 29' 29" N | 76° 52' 59" W | 7.3km (4.6 miles) | |
| Triplett Placer, Baltimore County, Maryland, USA | 39° 25' 10" N | 76° 50' 53" W | 7.4km (4.6 miles) | |
| Old Triplett Placer, Baltimore County, Maryland, USA | 39° 24' 34" N | 76° 51' 7" W | 7.4km (4.6 miles) | |
| Patapsco Mine (Finksburg Mine; Orchard Mine), Patapsco Mines, Finksburg, Carroll County, Maryland, USA | 39° 29' 21" N | 76° 52' 38" W | 7.4km (4.6 miles) | |
| Sykesville, Carroll County, Maryland, USA | 39° 22' 30" N | 76° 58' 0" W | 7.5km (4.7 miles) | |
| Patapsco Mine east adit, Patapsco Mines, Finksburg, Carroll County, Maryland, USA | 39° 29' 27" N | 76° 52' 27" W | 7.8km (4.8 miles) | |
| Marriottsville Talc Quarries, Carroll County, Maryland, USA | 39° 22' 1" N | 76° 54' 42" W | 8.0km (4.9 miles) | |
| Unnamed Ore Bank, Owings Mills, Baltimore County, Maryland, USA | 39° 25' 4" N | 76° 50' 24" W | 8.1km (5.0 miles) | |
| Unnamed Chalcedony occurrence [1], Holbrook, Baltimore County, Maryland, USA | 39° 24' 53" N | 76° 50' 24" W | 8.2km (5.1 miles) | |
| Florence Mine, Sykesville, Carroll County, Maryland, USA | 39° 22' 0" N | 76° 58' 0" W | 8.4km (5.2 miles) | |
| Carroll Mine, Sykesville, Carroll County, Maryland, USA | 39° 22' 0" N | 76° 58' 0" W | 8.4km (5.2 miles) | |
| August Sandusky Quarry, Baltimore County, Maryland, USA | 39° 22' 42" N | 76° 52' 4" W | 8.5km (5.3 miles) | |
| Oursler Quarry, Carroll County, Maryland, USA | 39° 21' 50" N | 76° 53' 39" W | 8.7km (5.4 miles) | |
| Delight Quarry (Soldier's Delight Quarry; Dyer Quarry), Soldiers' Delight ridge, Delight, Baltimore County, Maryland, USA | 39° 26' 19" N | 76° 49' 45" W | 8.8km (5.5 miles) | |
| Choate Mine, Owings Mills, Baltimore County, Maryland, USA | 39° 24' 46" N | 76° 50' 1" W | 8.8km (5.5 miles) | |
| Marriottsville Quarry, Hernwood, Baltimore County, Maryland, USA | 39° 22' 27" N | 76° 52' 3" W | 8.9km (5.5 miles) | |
| Patapsco Quarry (Patapsco Natural Stone Quarries Inc), Baltimore County, Maryland, USA | 39° 22' 37" N | 76° 51' 43" W | 8.9km (5.5 miles) | |
| John Wallen Quarry, Henryton, Carroll County, Maryland, USA | 39° 21' 29" N | 76° 54' 10" W | 9.1km (5.6 miles) | |
| Oursler Talc Quarries, Carroll County, Maryland, USA | 39° 21' 20" N | 76° 55' 19" W | 9.1km (5.6 miles) | |
Springfield Mine, Sykesville, Carroll County, Maryland, USA