Mines in Frederick County, Maryland
74Total
13Active
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Frederick Grinding Plant | Crushed, Broken Limestone NEC | Facility | Active | MSHA |
| Frederick Quarry | Crushed, Broken Limestone NEC | Surface | Active | MSHA |
| Frederick Quarry | Crushed, Broken Limestone NEC | Surface | Active | MSHA |
| Laurel Hill Quarry | Crushed, Broken Stone NEC | Surface | Active | MSHA |
| S W Barrick & Sons | Crushed, Broken Limestone NEC | Surface | Active | MSHA |
| Frederick Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Legore Quarry | Calcium | Surface | Producer | MRDS |
| Lime Kiln Quarry & Plant | Calcium | Surface | Producer | MRDS |
| Rocky Ridge Pit | Clay | Surface | Producer | MRDS |
| S.w.barrick & Sons, Inc | Calcium | Surface | Producer | MRDS |
| Woodsboro | Bloating Material | Producer | MRDS | |
| Woodsboro Quarry | Stone, Crushed/Broken | Producer | MRDS | |
| Woodsboro Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Barrick-legore Quarry | Lime | Surface | Abandoned | MSHA |
| Back Catoctin Furnace Ore Banks | Iron | Surface | Past Producer | MRDS |
| Belt Deposit | Iron | Surface | Occurrence | MRDS |
| Catoctin/catoctin Furance Banks | Iron | Past Producer | MRDS | |
| Clarey Ore Bank | Iron | Surface | Past Producer | MRDS |
| Clary | Iron | Past Producer | MRDS | |
| Cox Mines | Surface-Underground | Prospect | MRDS | |
| Cox Mt. View Mine/repp Mine | Copper | Past Producer | MRDS | |
| Dave Thomas Ore Bank | Iron | Past Producer | MRDS | |
| Dave Thomas Ore Bank | Iron | Surface | Past Producer | MRDS |
| Dolly Hyde Mine | Copper | Past Producer | MRDS | |
| Dolly Hyde Mine | Underground | Prospect | MRDS | |
| Essroc | Cement | Facility | Abandoned | MSHA |
| Eastalco Aluminum Plant | Aluminum, Contained or Metal | Processing Plant | Plant | MRDS |
| Eiler Prospect | Surface | Prospect | MRDS | |
| Ensor Bank | Iron | Surface | Past Producer | MRDS |
| Ensor Ore Banks | Iron | Past Producer | MRDS | |
| Evergreen Point Quarry | Limestone, General | Past Producer | MRDS | |
| Evergreen Point Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Frederick Gold Mine | Gold, Silver | Past Producer | MRDS | |
| Frederick Quarry | Limestone, General | Past Producer | MRDS | |
| Green Valley Road Quarry | Quartz | Past Producer | MRDS | |
| Green Valley Road Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Grim Ore Bank | Iron | Past Producer | MRDS | |
| Grim Ore Bank | Iron | Surface | Past Producer | MRDS |
| Hammond Prospect | Surface | Past Producer | MRDS | |
| Hines Prospects | Surface | Prospect | MRDS | |
| Israel Creek Prospects | Surface-Underground | Prospect | MRDS | |
| Kiefer Thomas Ore Bank | Iron | Past Producer | MRDS | |
| Kiefer Thomas Ore Bank | Iron | Surface | Past Producer | MRDS |
| Legore Quarry | Limestone, General | Past Producer | MRDS | |
| Liberty Mine | Copper | Past Producer | MRDS | |
| Liberty Mine | Surface-Underground | Past Producer | MRDS | |
| Lime Kiln Quarry | Limestone, General | Past Producer | MRDS | |
| Lime Plant Road Mill | Calcium | Processing Plant | Plant | MRDS |
| Mellott-maryland Stone | Crushed, Broken Limestone NEC | Surface | Abandoned | MSHA |
| Mountain View Mine | Surface-Underground | Prospect | MRDS | |
| New London Iron Mine | Iron | Surface | Prospect | MRDS |
| New London Mine | Underground | Past Producer | MRDS | |
| New London Mine Linganore | Copper | Past Producer | MRDS | |
| Nina Thomas /zimmerman Ore Banks | Iron | Past Producer | MRDS | |
| Nina Thomas'ore Bank | Iron | Surface | Past Producer | MRDS |
| North Catoctin Furnace Ore Banks | Iron | Surface | Past Producer | MRDS |
| P.g.saubles Quarry | Barium-Barite | Surface | Past Producer | MRDS |
| Patrick Ambush Ore Bank | Iron | Surface | Past Producer | MRDS |
| Point Of Rock Bankwashington Jct. Ore Banks | Iron | Past Producer | MRDS | |
| Repp Mine | Copper | Surface-Underground | Past Producer | MRDS |
| Rochy Ridge Pit | Clay | Past Producer | MRDS | |
| Rocky Ridge Plant | Common Shale | Surface | Intermittent | MSHA |
| South Furnace Ore Bank | Iron | Surface | Past Producer | MRDS |
| South Mountain Prospect | Copper | Prospect | MRDS | |
| Southwest Catoctin Furnace Ore Bank | Iron | Surface | Past Producer | MRDS |
| Union Bridge Quarry | Marble, Dimension | Past Producer | MRDS | |
| Unionville Mine | Surface-Underground | Past Producer | MRDS | |
| Unnamed | Iron | Past Producer | MRDS | |
| Washington Junction Ore Banks | Iron | Surface | Past Producer | MRDS |
| Woodsboro Quarry | Limestone, General | Past Producer | MRDS | |
| Woodsboro Quarry | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Yingling Ore Bank | Iron | Surface | Past Producer | MRDS |
| Yingling/p. Ambush Banks | Iron | Past Producer | MRDS | |
| Zimmerman Ore Bank | Iron | Surface | Past Producer | MRDS |