| Mackall Building Stone Quarry | 9.5 mi | Stone, Dimension | — | Past Producer |
| Mackall Building Stone Quarry | 9.5 mi | Stone, Dimension | Surface | Past Producer |
| Unnamed Gravel Pit | 10.8 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 10.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Pit 1.2 Mi S. of Chaneyville | 11.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pit | 11.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 11.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 11.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Pit | 11.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Pit 1.6 Mi Sw of Chaneyville | 11.4 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit 1.9 Mi W. of St. Cuthbert Wharf | 11.9 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 11.9 mi | Sand and Gravel, Construction | Surface | Past Producer |
| B.f. Asher Pit and Plant | 12.1 mi | Sand and Gravel, Construction | Surface | Producer |
| B.f. Asher Pit and Plant | 12.1 mi | Sand and Gravel, Construction | — | Past Producer |
| Unnamed Gravel Pit | 12.4 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 12.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 12.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 12.8 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 13.0 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 13.0 mi | Sand and Gravel, Construction | — | Producer |
| Cove Point Placer | 13.0 mi | Titanium-Rutile, Titanium-Ilmenite | Placer | Past Producer |
| Mechanicsville-Md Sand & Gravel | 13.3 mi | Construction Sand and Gravel | Surface | Active |
| Unnamed Gravel Pit | 13.4 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 13.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Charlotte Hall Sand and Gravel Co. | 13.4 mi | Sand and Gravel, Construction | — | Producer |
| Charlotte Hall Sand & Gravel Pit | 13.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pits | 13.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 13.8 mi | Sand and Gravel, Construction | — | Producer |
| Jenkins Property | 14.2 mi | Sand, Industrial NEC | Surface | Abandoned |
| Unnamed Pits | 14.4 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pits | 14.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Wilson Molding Sand Pit | 14.5 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Wilson Molding Sand Pit | 14.5 mi | Silica | — | Past Producer |
| Unnamed Gravel Pits | 14.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 14.7 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 14.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 3 Mi N.w. of California | 14.7 mi | Sand and Gravel, Construction | — | Producer |
| Old Clay Deposit N. of Solomons Is. | 14.8 mi | Brick Clay | — | Past Producer |
| Old Clay Deposit | 14.8 mi | Clay | — | Prospect |
| Old Greensand-Diatomaceous Earth Qu | 15.1 mi | Diatomite | Surface | Past Producer |
| Old Greensand-Diatomaceous Earth Pit | 15.1 mi | Diatomite, Stone, Crushed/Broken | — | Past Producer |
| Loveville-Md Sand & Gravel | 15.4 mi | Construction Sand and Gravel | Surface | Active |
| Route 6 Pit | 15.4 mi | Construction Sand and Gravel | Surface | Abandoned |
| Unnamed Gravel Pit | 15.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 1.1 Mi Se of Tintop Hill | 15.6 mi | Sand and Gravel, Construction | — | Producer |
| Kaylorite Corp. Greensand Pit | 15.7 mi | Flagstone | Surface | Past Producer |
| Kaylorite Corp. Greensand Pit | 15.7 mi | Stone, Crushed/Broken | — | Producer |
| Unnamed Gravel Pit | 16.2 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 16.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 16.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 16.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 16.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| 2 Unnamed Gravel Pits 4.2 Mi W. of California | 16.7 mi | Sand and Gravel, Construction | — | Producer |
| The Leonardtown Sand & Gravel | 17.1 mi | Sand and Gravel, Construction | Surface | Producer |
| Lyons Ck. Diatomaceous Earth Quarry | 17.2 mi | Diatomite | Surface | Past Producer |
| Lyons Ck. Diatomaceous Earth Deposit | 17.2 mi | Diatomite | — | Producer |
| Unnamed Gravel Pit | 17.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 17.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Gudelsky Materials | 17.5 mi | Construction Sand and Gravel | Surface | Active |
| Unnamed Gravel Pit | 17.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 17.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Pit 1.1 Mi. Se of Cedarville | 17.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pit | 17.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 17.7 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 17.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 2.5 Mi Ssw of California | 18.2 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 18.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Stauffer Pit & Leonardtown Plant | 18.5 mi | Sand and Gravel, Construction | — | Past Producer |
| Unnamed Gravel Pit | 18.5 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 1.3 Mi Nw of Redgate | 18.6 mi | Sand and Gravel, Construction | — | Producer |
| 4 Unnamed Pits Near Gibbons Church | 18.7 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pits | 18.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Brandywine Pit | 18.8 mi | Construction Sand and Gravel | Surface | Abandoned |
| Base Pit & Plant | 18.9 mi | Sand and Gravel, Construction | Surface | Producer |
| Unnamed Borrow Pit | 19.2 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Borrow Pit | 19.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 19.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 0.3 Mi Se of Redgate | 19.2 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pit | 19.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pit | 19.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 1.6 Mi W. of Bristol | 19.4 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 19.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Chaney Enterprises | 19.4 mi | Construction Sand and Gravel | Surface | Abandoned |
| Waldorf-Md Sand & Gravel | 19.4 mi | Construction Sand and Gravel | Surface | Active |
| Leonardtown Sand & Gravel | 19.6 mi | Construction Sand and Gravel | Surface | Abandoned |
| Charles County Sand and Gravel | 19.6 mi | Sand and Gravel, Construction | Surface | Producer |
| Unnamed Borrow Pit At Beantown | 19.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Borrow Pit | 19.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Brenton Bay Sand & Gravel Pit & Plt | 19.7 mi | Sand and Gravel, Construction | Surface | Producer |
| Abells Wharf Pit and Plant | 19.7 mi | Sand and Gravel, Construction | — | Past Producer |
| Piney Reclamation | 19.7 mi | Construction Sand and Gravel | Surface | Active |
| Unnamed Pit | 19.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Pit | 19.8 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pit 0.4 Mi. Se of Townshend | 19.8 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Pit | 19.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Fry Quarry | 20.1 mi | Stone, Crushed/Broken | Underground | Past Producer |
| Deep Creek Mine | 20.1 mi | Stone, Crushed/Broken | Underground | Past Producer |
| Fry Quarry | 20.1 mi | Limestone, General | — | Past Producer |
| Unnamed Pits | 20.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| 7 Unnamed Pits 2 Mi Ne of Brandywine | 20.4 mi | Sand and Gravel, Construction | — | Producer |