| Unnamed Gravel Pit | 4.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 2.5 Mi Ssw of California | 4.2 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit 0.3 Mi Se of Redgate | 4.5 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 4.5 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Stauffer Pit & Leonardtown Plant | 4.6 mi | Sand and Gravel, Construction | — | Past Producer |
| Chaney Enterprises | 4.7 mi | Construction Sand and Gravel | Surface | Abandoned |
| Unnamed Gravel Pit | 5.1 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 5.1 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 5.1 mi | Sand and Gravel, Construction | — | Producer |
| Dickerson Brothers Excavating Pit | 5.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Base Pit & Plant | 5.3 mi | Sand and Gravel, Construction | Surface | Producer |
| William Jenkins Pit | 5.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| The Leonardtown Sand & Gravel | 5.8 mi | Sand and Gravel, Construction | Surface | Producer |
| Unnamed Gravel Pit 1.3 Mi Nw of Redgate | 6.1 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 6.1 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pits | 6.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 6.2 mi | Sand and Gravel, Construction | — | Producer |
| 2 Unnamed Gravel Pits 4.2 Mi W. of California | 6.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 6.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 6.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 6.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pits | 6.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 6.4 mi | Sand and Gravel, Construction | — | Producer |
| Leonardtown Sand & Gravel | 6.5 mi | Construction Sand and Gravel | Surface | Abandoned |
| Trader Gravel Co. Pit | 6.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Brenton Bay Sand & Gravel Pit & Plt | 6.9 mi | Sand and Gravel, Construction | Surface | Producer |
| Abells Wharf Pit and Plant | 6.9 mi | Sand and Gravel, Construction | — | Past Producer |
| Unnamed Gravel Pit | 6.9 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 6.9 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pits | 7.1 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 7.1 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 7.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 7.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 3 Mi N.w. of California | 7.7 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 7.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 1.1 Mi Se of Tintop Hill | 8.0 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 8.0 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 8.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 8.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 8.8 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 8.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Old Clay Deposit | 9.2 mi | Clay | — | Prospect |
| Old Clay Deposit N. of Solomons Is. | 9.2 mi | Brick Clay | — | Past Producer |
| Unnamed Gravel Pit | 9.2 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 9.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 9.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 9.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 9.7 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 9.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 10.1 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 10.1 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 10.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit 1.9 Mi W. of St. Cuthbert Wharf | 10.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 11.0 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 11.0 mi | Sand and Gravel, Construction | — | Producer |
| Loveville-Md Sand & Gravel | 11.1 mi | Construction Sand and Gravel | Surface | Active |
| Clay Prospect Ne of Kinsale | 11.5 mi | | — | Occurrence |
| Clay Prospect | 11.5 mi | Clay | — | Prospect |
| Unnamed Gravel Pit | 11.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 11.6 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 11.7 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 11.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Clay Prospect | 12.0 mi | Clay | — | Prospect |
| Clay Prospect Ne of Kinsale | 12.0 mi | | — | Occurrence |
| Clay Prospect Ene of Kinsale | 12.2 mi | | — | Occurrence |
| Clay Prospect | 12.2 mi | Clay | — | Prospect |
| Unnamed Gravel Pit | 12.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 12.3 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits Just N. of Mount Holly | 12.4 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pits | 12.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Mackall Building Stone Quarry | 13.2 mi | Stone, Dimension | — | Past Producer |
| Mackall Building Stone Quarry | 13.2 mi | Stone, Dimension | Surface | Past Producer |
| Unnamed Gravel Pits | 13.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pits 0.6 Mi. S. of Mount Holly | 13.2 mi | Sand and Gravel, Construction | — | Producer |
| Mount Airy Farm Mine | 13.5 mi | Diatomite | Surface | Past Producer |
| Calio Pit | 13.6 mi | Sand and Gravel, Construction | Surface | Producer |
| Calio Pit | 13.6 mi | Sand and Gravel, Construction | — | Past Producer |
| Cove Point Placer | 14.8 mi | Titanium-Rutile, Titanium-Ilmenite | Placer | Past Producer |
| Unnamed Gravel Pit | 15.0 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 15.0 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 15.4 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 15.4 mi | Sand and Gravel, Construction | — | Producer |
| Unnamed Gravel Pit | 16.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 16.7 mi | Sand and Gravel, Construction | — | Producer |
| R.w. Courtney Sand Pit | 16.9 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 18.5 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unnamed Gravel Pit | 18.5 mi | Sand and Gravel, Construction | — | Producer |
| Hedgman Ore Banks | 19.0 mi | Iron | Surface | Past Producer |
| B.f. Asher Pit and Plant | 19.0 mi | Sand and Gravel, Construction | — | Past Producer |
| B.f. Asher Pit and Plant | 19.0 mi | Sand and Gravel, Construction | Surface | Producer |
| Pit Number 1 | 21.2 mi | Sand and Gravel, Construction | — | Past Producer |
| Mechanicsville-Md Sand & Gravel | 21.8 mi | Construction Sand and Gravel | Surface | Active |
| Mudstone Prospect | 22.8 mi | Clay | — | Prospect |
| Mudstone Prospect Se of Carters Wharf | 22.8 mi | | — | Occurrence |
| Newsome Pit | 22.9 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Charlotte Hall Sand and Gravel Co. | 23.0 mi | Sand and Gravel, Construction | — | Producer |
| Charlotte Hall Sand & Gravel Pit | 23.0 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Route 6 Pit | 23.2 mi | Construction Sand and Gravel | Surface | Abandoned |
| George Robberecht Pit | 23.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Oak Grove Pit | 24.7 mi | Sand and Gravel, Construction | — | Past Producer |