| Locality | Latitude | Longitude | Distance | Bearing |
|---|
| Pinesburg Quarry, Williamsport, Washington County, Maryland, USA | 39° 37' 22" N | 77° 52' 6" W | 0.0km (0.0 miles) | |
| Clay Mine-Victor Cushwa (Victor Cushwa and Sons Inc.), Washington County, Maryland, USA | 39° 38' 7" N | 77° 49' 11" W | 4.4km (2.7 miles) | |
| Victor Cushwa and Sons Pit, Washington County, Maryland, USA | 39° 38' 7" N | 77° 49' 11" W | 4.4km (2.7 miles) | |
| McLaughlin Ore Bank, Washington County, Maryland, USA | 39° 41' 6" N | 77° 53' 22" W | 7.2km (4.4 miles) | |
| Charles Ore Bank, Washington County, Maryland, USA | 39° 38' 31" N | 77° 57' 24" W | 7.9km (4.9 miles) | |
| Northeast Green Spring Furnace Bank, Washington County, Maryland, USA | 39° 38' 56" N | 77° 57' 45" W | 8.5km (5.3 miles) | |
| Green Spring Ore Bank, Washington County, Maryland, USA | 39° 37' 42" N | 77° 58' 18" W | 8.9km (5.5 miles) | |
| North Mt. Area, Washington County, Maryland, USA | 39° 38' 9" N | 77° 58' 29" W | 9.2km (5.7 miles) | |
| Wilson Farm Ore Bank, Washington County, Maryland, USA | 39° 42' 2" N | 77° 54' 29" W | 9.3km (5.8 miles) | |
| North Green Spring Furnace Ore Bank, Washington County, Maryland, USA | 39° 38' 4" N | 77° 58' 41" W | 9.5km (5.9 miles) | |
| Southeast Indian Springs Ore Bank, Washington County, Maryland, USA | 39° 38' 8" N | 77° 59' 35" W | 10.8km (6.7 miles) | |
| Wheatstone Ore Bank, Washington County, Maryland, USA | 39° 40' 23" N | 77° 58' 36" W | 10.8km (6.7 miles) | |
| Benders Cave, Berkeley County, West Virginia, USA | 39° 31' 35" N | 77° 55' 4" W | 11.5km (7.2 miles) | |
| Rockdale Quarry, Hagerstown, Washington County, Maryland, USA | 39° 38' 42" N | 77° 43' 11" W | 13.0km (8.1 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 | 17.0km (10.6 miles) | |
| Blair Quarry & plant, Berkeley County, West Virginia, USA | 39° 27' 29" N | 77° 54' 44" W | 18.7km (11.6 miles) | |
| Beaver Creek Pit (H. B. Mellott Estate; Inc.), Washington County, Maryland, USA | 39° 35' 48" N | 77° 38' 4" W | 20.2km (12.6 miles) | |
| Unnamed prospect (MRDS - 10083901), Boonsboro, Washington County, Maryland, USA | 39° 31' 29" N | 77° 40' 0" W | 20.4km (12.7 miles) | |
| Northwest Boonsboro Ore Bank, Washington County, Maryland, USA | 39° 31' 27" N | 77° 40' 0" W | 20.5km (12.7 miles) | |
| Wyand Ore Bank, Washington County, Maryland, USA | 39° 28' 59" N | 77° 42' 43" W | 20.5km (12.8 miles) | |
| Martinsburg Quarry (Capitol Cement Company division of Martin Marietta Corporation), Berkeley County, West Virginia, USA | 39° 27' 6" N | 77° 57' 47" W | 20.7km (12.9 miles) | |
| Boonsboro Quarry (Martin Marietta Aggregates; SE Div.), Boonsboro, Washington County, Maryland, USA | 39° 31' 59" N | 77° 38' 49" W | 21.4km (13.3 miles) | |
| Geeting Ore Bank, Washington County, Maryland, USA | 39° 28' 19" N | 77° 42' 29" W | 21.7km (13.5 miles) | |
| Shepherdstown, Jefferson County, West Virginia, USA | 39° 25' 48" N | 77° 48' 14" W | 22.1km (13.7 miles) | |
| Continental Clay Products Company Pit, Berkeley County, West Virginia, USA | 39° 25' 59" N | 77° 57' 14" W | 22.3km (13.9 miles) | |
| Boonsboro Ore Bank, Boonsboro, Washington County, Maryland, USA | 39° 30' 25" N | 77° 39' 6" W | 22.6km (14.0 miles) | |
| Lane Property Ore Bank, Washington County, Maryland, USA | 39° 35' 31" N | 77° 36' 10" W | 23.0km (14.3 miles) | |
| Kohler Ore Bank, Washington County, Maryland, USA | 39° 36' 50" N | 77° 35' 39" W | 23.5km (14.6 miles) | |
| Appletown Ore Bank, Washington County, Maryland, USA | 39° 29' 22" N | 77° 38' 57" W | 23.9km (14.9 miles) | |
| Zouck Quarry, Cavetown, Washington County, Maryland, USA | 39° 38' 49" N | 77° 35' 12" W | 24.3km (15.1 miles) | |
North Mt. Area, Washington County, Maryland, USA