| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Rockdale Quarry, Hagerstown, Washington County, Maryland, USA | 39° 38' 42" N | 77° 43' 11" W | 0.4km (0.2 miles) | |
| Security Cement and Lime Company Quarry (Hagerstown Quarry; Marquette Cement Manufacturing Company), Hagerstown, Washington County, Maryland, USA | 39° 39' 15" N | 77° 40' 27" W | 4.2km (2.6 miles) | |
| Clay Mine-Victor Cushwa (Victor Cushwa and Sons Inc.), Washington County, Maryland, USA | 39° 38' 7" N | 77° 49' 11" W | 8.6km (5.3 miles) | |
| Victor Cushwa and Sons Pit, Washington County, Maryland, USA | 39° 38' 7" N | 77° 49' 11" W | 8.6km (5.3 miles) | |
| Beaver Creek Pit (H. B. Mellott Estate; Inc.), Washington County, Maryland, USA | 39° 35' 48" N | 77° 38' 4" W | 8.8km (5.5 miles) | |
| Kohler Ore Bank, Washington County, Maryland, USA | 39° 36' 50" N | 77° 35' 39" W | 11.2km (7.0 miles) | |
| Zouck Quarry, Cavetown, Washington County, Maryland, USA | 39° 38' 49" N | 77° 35' 12" W | 11.4km (7.1 miles) | |
| Lane Property Ore Bank, Washington County, Maryland, USA | 39° 35' 31" N | 77° 36' 10" W | 11.5km (7.1 miles) | |
| Pinesburg Quarry, Williamsport, Washington County, Maryland, USA | 39° 37' 22" N | 77° 52' 6" W | 12.9km (8.0 miles) | |
| Boonsboro Quarry (Martin Marietta Aggregates; SE Div.), Boonsboro, Washington County, Maryland, USA | 39° 31' 59" N | 77° 38' 49" W | 13.6km (8.5 miles) | |
| Unnamed prospect (MRDS - 10083901), Boonsboro, Washington County, Maryland, USA | 39° 31' 29" N | 77° 40' 0" W | 13.8km (8.6 miles) | |
| Northwest Boonsboro Ore Bank, Washington County, Maryland, USA | 39° 31' 27" N | 77° 40' 0" W | 13.9km (8.6 miles) | |
| South Mountain Prospect (MRDS - 10291371), Washington County, Maryland, USA | 39° 37' 36" N | 77° 33' 6" W | 14.5km (9.0 miles) | |
| McLaughlin Ore Bank, Washington County, Maryland, USA | 39° 41' 6" N | 77° 53' 22" W | 15.3km (9.5 miles) | |
| South Mountain Prospect (MRDS - 10243142), Washington County, Maryland, USA | 39° 38' 18" N | 77° 32' 12" W | 15.7km (9.7 miles) | |
| Boonsboro Ore Bank, Boonsboro, Washington County, Maryland, USA | 39° 30' 25" N | 77° 39' 6" W | 16.1km (10.0 miles) | |
| South Mountain Prospect (MRDS - 10170037), Washington County, Maryland, USA | 39° 39' 55" N | 77° 31' 28" W | 16.9km (10.5 miles) | |
| Wilson Farm Ore Bank, Washington County, Maryland, USA | 39° 42' 2" N | 77° 54' 29" W | 17.4km (10.8 miles) | |
| Wyand Ore Bank, Washington County, Maryland, USA | 39° 28' 59" N | 77° 42' 43" W | 17.7km (11.0 miles) | |
| South Mountain Prospect (MRDS - 10243275), Washington County, Maryland, USA | 39° 40' 44" N | 77° 30' 59" W | 17.9km (11.1 miles) | |
| Appletown Ore Bank, Washington County, Maryland, USA | 39° 29' 22" N | 77° 38' 57" W | 18.0km (11.2 miles) | |
| Geeting Ore Bank, Washington County, Maryland, USA | 39° 28' 19" N | 77° 42' 29" W | 18.9km (11.7 miles) | |
| Charles Ore Bank, Washington County, Maryland, USA | 39° 38' 31" N | 77° 57' 24" W | 20.3km (12.6 miles) | |
| Northeast Green Spring Furnace Bank, Washington County, Maryland, USA | 39° 38' 56" N | 77° 57' 45" W | 20.8km (12.9 miles) | |
| Benders Cave, Berkeley County, West Virginia, USA | 39° 31' 35" N | 77° 55' 4" W | 21.3km (13.2 miles) | |
| South Mountain Prospect, Frederick County, Maryland, USA | 39° 41' 48" N | 77° 28' 51" W | 21.3km (13.3 miles) | |
| Green Spring Ore Bank, Washington County, Maryland, USA | 39° 37' 42" N | 77° 58' 18" W | 21.6km (13.4 miles) | |
| North Mt. Area, Washington County, Maryland, USA | 39° 38' 9" N | 77° 58' 29" W | 21.8km (13.6 miles) | |
| North Green Spring Furnace Ore Bank, Washington County, Maryland, USA | 39° 38' 4" N | 77° 58' 41" W | 22.1km (13.8 miles) | |
| Wheatstone Ore Bank, Washington County, Maryland, USA | 39° 40' 23" N | 77° 58' 36" W | 22.3km (13.8 miles) | |
Security Cement and Lime Company Quarry, Hagerstown, Washington County, Maryland, USA