| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Boonsboro Quarry (Martin Marietta Aggregates; SE Div.), Boonsboro, Washington County, Maryland, USA | 39° 31' 59" N | 77° 38' 49" W | 2.2km (1.4 miles) | |
| Unnamed prospect (MRDS - 10083901), Boonsboro, Washington County, Maryland, USA | 39° 31' 29" N | 77° 40' 0" W | 3.3km (2.1 miles) | |
| Northwest Boonsboro Ore Bank, Washington County, Maryland, USA | 39° 31' 27" N | 77° 40' 0" W | 3.4km (2.1 miles) | |
| Boonsboro Ore Bank, Boonsboro, Washington County, Maryland, USA | 39° 30' 25" N | 77° 39' 6" W | 5.0km (3.1 miles) | |
| Beaver Creek Pit (H. B. Mellott Estate; Inc.), Washington County, Maryland, USA | 39° 35' 48" N | 77° 38' 4" W | 5.1km (3.2 miles) | |
| Lane Property Ore Bank, Washington County, Maryland, USA | 39° 35' 31" N | 77° 36' 10" W | 6.1km (3.8 miles) | |
| Appletown Ore Bank, Washington County, Maryland, USA | 39° 29' 22" N | 77° 38' 57" W | 7.0km (4.3 miles) | |
| Kohler Ore Bank, Washington County, Maryland, USA | 39° 36' 50" N | 77° 35' 39" W | 8.4km (5.2 miles) | |
| Wyand Ore Bank, Washington County, Maryland, USA | 39° 28' 59" N | 77° 42' 43" W | 9.3km (5.8 miles) | |
| Geeting Ore Bank, Washington County, Maryland, USA | 39° 28' 19" N | 77° 42' 29" W | 10.2km (6.3 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 | 11.5km (7.1 miles) | |
| Rockdale Quarry, Hagerstown, Washington County, Maryland, USA | 39° 38' 42" N | 77° 43' 11" W | 11.8km (7.3 miles) | |
| South Mountain Prospect (MRDS - 10291371), Washington County, Maryland, USA | 39° 37' 36" N | 77° 33' 6" W | 11.9km (7.4 miles) | |
| Zouck Quarry, Cavetown, Washington County, Maryland, USA | 39° 38' 49" N | 77° 35' 12" W | 11.9km (7.4 miles) | |
| South Mountain Prospect (MRDS - 10243142), Washington County, Maryland, USA | 39° 38' 18" N | 77° 32' 12" W | 13.7km (8.5 miles) | |
| Unnamed Iron (MRDS - 10083888), Frederick County, Maryland, USA | 39° 33' 24" N | 77° 27' 29" W | 16.6km (10.3 miles) | |
| South Mountain Prospect (MRDS - 10170037), Washington County, Maryland, USA | 39° 39' 55" N | 77° 31' 28" W | 16.6km (10.3 miles) | |
| Southwest Catoctin Furnace Ore Bank, Frederick County, Maryland, USA | 39° 33' 42" N | 77° 27' 24" W | 16.7km (10.4 miles) | |
| U.S 40 Roadcut, Catoctin Mt, Myersville, Frederick County, Maryland, USA | 39° 27' 20" N | 77° 30' 5" W | 16.8km (10.4 miles) | |
| Victor Cushwa and Sons Pit, Washington County, Maryland, USA | 39° 38' 7" N | 77° 49' 11" W | 17.1km (10.6 miles) | |
| Clay Mine-Victor Cushwa (Victor Cushwa and Sons Inc.), Washington County, Maryland, USA | 39° 38' 7" N | 77° 49' 11" W | 17.1km (10.6 miles) | |
| South Mountain Prospect (MRDS - 10243275), Washington County, Maryland, USA | 39° 40' 44" N | 77° 30' 59" W | 18.2km (11.3 miles) | |
| South Furnace Ore Bank, Frederick County, Maryland, USA | 39° 34' 40" N | 77° 26' 13" W | 18.6km (11.6 miles) | |
| Back Catoctin Furnace Ore Banks, Frederick County, Maryland, USA | 39° 34' 50" N | 77° 26' 12" W | 18.7km (11.6 miles) | |
| Shepherdstown, Jefferson County, West Virginia, USA | 39° 25' 48" N | 77° 48' 14" W | 18.9km (11.7 miles) | |
| Potomac Refining Company Mine (Dargan Mine), Dargan, Washington County, Maryland, USA | 39° 23' 27" N | 77° 43' 27" W | 19.0km (11.8 miles) | |
| Catoctin/Catoctin Furance Banks, Frederick County, Maryland, USA | 39° 35' 39" N | 77° 26' 7" W | 19.1km (11.9 miles) | |
| Ore Bank Prospect, Jefferson County, West Virginia, USA | 39° 23' 29" N | 77° 44' 34" W | 19.6km (12.2 miles) | |
| North Catoctin Furnace Ore Banks, Frederick County, Maryland, USA | 39° 36' 2" N | 77° 25' 50" W | 19.7km (12.2 miles) | |
| Pinesburg Quarry, Williamsport, Washington County, Maryland, USA | 39° 37' 22" N | 77° 52' 6" W | 20.2km (12.5 miles) | |
Boonsboro Quarry, Boonsboro, Washington County, Maryland, USA