| Chestertown Pit | 2.9 mi | Clay | — | Past Producer |
| Welzenbach Ore Bank | 15.5 mi | Iron | Surface | Past Producer |
| Chase Masonry Sand Pit | 15.5 mi | Sand and Gravel, Construction | Surface | Producer |
| Chase Masonry Sand Plant | 15.5 mi | Sand and Gravel, Construction | — | Past Producer |
| Harford Sands, Inc. | 15.6 mi | Sand, Industrial NEC | Surface | Abandoned |
| Merrick Sand and Gravel Massey Plant | 15.6 mi | Sand, Industrial NEC | Surface | Abandoned |
| Merrick Sand & Gravel | 16.3 mi | Sand, Industrial NEC | Surface | Active |
| Walsh Ore Bank | 16.4 mi | Iron | Surface | Past Producer |
| Joppa Pit and Mill | 16.5 mi | Sand and Gravel, Construction | Surface | Producer |
| Joppa Pit and Mill | 16.5 mi | Sand and Gravel, Construction | — | Past Producer |
| Sewell Ore Bank | 16.5 mi | Iron | Surface | Past Producer |
| Benser Ore Bank | 16.6 mi | Iron | Surface | Past Producer |
| Kent Sand & Gravel Quarry | 16.6 mi | Construction Sand and Gravel | Surface | Active |
| Chase Sand Plant | 16.8 mi | Construction Sand and Gravel | Surface | Abandoned |
| Crow Ore Bank | 16.9 mi | Iron | Surface | Past Producer |
| Prospect Hill Ore Bank | 17.0 mi | Iron | Surface | Past Producer |
| Harford Sands, Inc. | 17.0 mi | Sand and Gravel, Construction | Surface | Producer |
| Ingleside Pit | 17.0 mi | Construction Sand and Gravel | Surface | Active |
| Willick Ore Bank | 17.2 mi | Iron | Surface | Past Producer |
| Flattermash Ore Bank | 17.3 mi | Iron | Surface | Past Producer |
| Pine Grove Farm Ore Banks | 17.3 mi | Iron | Surface | Past Producer |
| Joppa Sand Bank Run Pit | 17.5 mi | Sand and Gravel, Construction | Surface | Producer |
| Lomyer Ore Bank | 17.6 mi | Iron | Surface | Past Producer |
| M.g. Spencer & Son Sand and Gravel | 17.6 mi | Sand and Gravel, Construction | Surface | Producer |
| Abingdon Pit and Mill | 17.6 mi | Sand and Gravel, Construction | — | Past Producer |
| Joppa Ore Banks | 17.7 mi | Iron | Surface | Past Producer |
| Shipley Ore Bank | 17.9 mi | Iron | Surface | Past Producer |
| Skillman Ore Banks | 18.0 mi | Iron | Surface | Past Producer |
| Hanway Ore Bank | 18.1 mi | Iron | Surface | Past Producer |
| Gay Shore Prospect | 18.1 mi | Iron | Surface | Prospect |
| Harry T. Campbell & Sons Pit | 18.2 mi | Sand and Gravel, Construction | — | Past Producer |
| Myers Ore Bank | 18.3 mi | Iron | Surface | Past Producer |
| William Spiegel & Son Quarry & Plnt | 18.3 mi | Stone, Crushed/Broken | — | Past Producer |
| William Speigel & Son Quarry | 18.6 mi | Stone, Crushed/Broken | Surface | Producer |
| Grays Run Quarry | 18.7 mi | Stone, Crushed/Broken | — | Producer |
| Grays Run Quarry | 18.8 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Aberdeen Pits | 19.0 mi | Sand and Gravel, Construction | — | Past Producer |
| Aberdeen Pits | 19.0 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Love Point Dredge & Terminal | 19.0 mi | Calcium | Offshore | Producer |
| Taylor Ore Bank | 19.1 mi | Iron | Surface | Past Producer |
| Bethlehem Steel/sparrows Point, Md. | 19.2 mi | Iron | Processing Plant | Plant |
| Turner Ore Banks | 19.3 mi | Iron | Surface | Past Producer |
| George W. Schwartz Pit and Mill | 19.5 mi | Sand and Gravel, Construction | — | Past Producer |
| George W. Schwartz Pit | 19.5 mi | Sand and Gravel, Construction | Surface | Producer |
| Ellis Quarry Llc | 19.5 mi | Dimension Stone NEC | Surface | Abandoned |
| Henderson-Md Sand & Gravel | 19.5 mi | Construction Sand and Gravel | Surface | Active |
| Smith Ore Bank | 19.7 mi | Iron | Surface | Past Producer |
| Harry T. Campbell & Sons Pit | 19.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Poplar/white Marsh | 19.9 mi | Clay | Surface | Producer |
| Nine Number 62 | 19.9 mi | Clay | — | Past Producer |
| Roeder Ore Bank | 20.0 mi | Iron | Surface | Past Producer |
| Solomon Ore Bank | 20.0 mi | Iron | Surface | Past Producer |
| Cook Ore Banks | 20.1 mi | Iron | Surface | Past Producer |
| Havre De Grace Quarry | 20.1 mi | Stone, Crushed/Broken | Surface | Producer |
| Wagonfere Ore Bank | 20.2 mi | Iron | Surface | Past Producer |
| Churchville Quarry | 20.2 mi | Stone, Crushed/Broken | — | Producer |
| Lohman Ore Banks | 20.2 mi | Iron | Surface | Past Producer |
| Churchville Quarry | 20.2 mi | Dimension Stone NEC | Surface | Active |
| Gatch Quarry | 20.2 mi | Stone, Crushed/Broken | — | Producer |
| Gatch Quarry | 20.2 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Churchville Quarry | 20.3 mi | Stone, Crushed/Broken | Surface | Producer |
| Tremper Ore Banks | 20.3 mi | Iron | Surface | Past Producer |
| Townsend Ore Bank | 20.3 mi | Iron | Surface | Past Producer |
| Hengemihle Ore Bank | 20.3 mi | Iron | Surface | Past Producer |
| Jenkins Ore Bank | 20.3 mi | Iron | Surface | Past Producer |
| Nine Mile Hill Deposit | 20.4 mi | Iron | Surface | Past Producer |
| King Ore Bank | 20.5 mi | Iron | Surface | Past Producer |
| Reich Ore Bank | 20.6 mi | Iron | Surface | Past Producer |
| Hofmeister Ore Bank | 20.6 mi | Iron | Surface | Past Producer |
| Bishop Ore Bank | 20.7 mi | Iron | Surface | Past Producer |
| Gerst Ore Bank | 20.7 mi | Iron | Surface | Past Producer |
| Kahler Ore Bank | 20.8 mi | Iron | Surface | Past Producer |
| Riemschneider Ore Bank | 20.8 mi | Iron | Surface | Past Producer |
| Wye Mills | 20.9 mi | Construction Sand and Gravel | Surface | Abandoned |
| Rohe Ore Bank | 20.9 mi | Iron | Surface | Past Producer |
| Toboll Ore Bank | 21.1 mi | Iron | Surface | Past Producer |
| Mohr Ore Bank | 21.1 mi | Iron | Surface | Past Producer |
| Furnace Bay Pit | 21.3 mi | Sand and Gravel, Construction | Surface | Producer |
| North East Pit | 21.3 mi | Sand and Gravel, Construction | — | Past Producer |
| Bethke Ore Bank | 21.3 mi | Iron | Surface | Past Producer |
| Ender Ore Bank | 21.4 mi | Iron | Surface | Past Producer |
| Love Point Dredge & Terminal | 21.4 mi | Sand, Common | Surface | Abandoned |
| Havre De Grace Quarry | 21.4 mi | Crushed, Broken Traprock | Surface | Active |
| Westerman Ore Bank | 21.5 mi | Iron | Surface | Past Producer |
| Dependable Contracting Co Inc | 21.7 mi | Construction Sand and Gravel | Surface | Intermittent |
| Brown Ore Banks | 21.9 mi | Iron | Surface | Past Producer |
| Eastern Stainless Steel/dundalk Md | 21.9 mi | Iron | Processing Plant | Plant |
| Furnace Bay Plant | 22.1 mi | Construction Sand and Gravel | Surface | Active |
| Bridgetown Sand & Gravel | 22.4 mi | Construction Sand and Gravel | Surface | Active |
| Noble Hamilton Sand and Gravel | 22.4 mi | Sand and Gravel, Construction | Surface | Producer |
| Webster Pit and Plant | 22.4 mi | Sand and Gravel, Construction | — | Past Producer |
| Kern Ore Bank | 22.5 mi | Iron | Surface | Past Producer |
| Rheinhardt Ore Bank | 22.5 mi | Iron | Surface | Past Producer |
| Rossville Pit | 22.5 mi | Clay | Surface | Producer |
| Rosedale Pit | 22.5 mi | Clay | — | Past Producer |
| Kline's Brickyard Ore Bank | 22.5 mi | Iron | Surface | Past Producer |
| Port Deposit Quarry | 22.6 mi | Granite | — | Past Producer |
| Port Deposit Quarry | 22.6 mi | Granite | Surface | Past Producer |
| Zinkand Ore Bank | 22.8 mi | Iron | Surface | Past Producer |
| Schmidtman Ore Bank | 22.8 mi | Iron | Surface | Past Producer |