Mines in Howard County, Maryland
66Total
4Active
Howard County, Maryland has 66 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 4 of these are currently active mining operations. The most commonly recorded commodity is feldspar, with 42 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Howard County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Patapsco Natural Stone Quarry Llc | Dimension Granite | Surface | Active | MSHA |
| Savage Stone | Crushed, Broken Granite | Surface | Active | MSHA |
| Howard-Montgomery Crushed Stone | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Piccirilli Quarries | Stone, Dimension | Surface | Producer | MRDS |
| Albert Sandusky Quarries | Feldspar | Surface | Past Producer | MRDS |
| Arlington No. 1 Quarry | Feldspar | Surface | Past Producer | MRDS |
| Arlington No. 2 Quarry | Feldspar | Surface | Past Producer | MRDS |
| Baltimore Feldspar Company Quarries | Feldspar | Surface | Past Producer | MRDS |
| Baltimore Feldspar Company Quarry | Feldspar | Surface | Past Producer | MRDS |
| Baugh and Sons Company Quarry | Feldspar | Surface | Past Producer | MRDS |
| Ben Murphy Mica-Beryl Mine | Surface | Past Producer | MRDS | |
| Biddison Pegmatite Deposit | Prospect | MRDS | ||
| Brighton Dam Road Quarry | Marble, Dimension | Past Producer | MRDS | |
| Brooks Ore Bank | Iron | Surface | Past Producer | MRDS |
| Brown Ore Banks | Iron | Surface | Past Producer | MRDS |
| Brown Quarries | Feldspar | Surface | Past Producer | MRDS |
| Cordy Quarry | Feldspar | Surface | Past Producer | MRDS |
| Dorseys Quarry No. 2 | Feldspar | Surface | Past Producer | MRDS |
| Dorseys Run Quarry No. 1 | Feldspar | Surface | Past Producer | MRDS |
| East Marriottsville Quarry | Feldspar | Surface | Past Producer | MRDS |
| Fagan Quarries | Feldspar | Surface | Past Producer | MRDS |
| Feazer Quarry | Feldspar | Surface | Past Producer | MRDS |
| Fisher and Carozza Quarries | Feldspar | Surface | Past Producer | MRDS |
| Forsythe Mine | Iron | Underground | Past Producer | MRDS |
| Forsythe Mine/rice Magnetite Mine | Iron | Past Producer | MRDS | |
| Frost Quarry | Feldspar | Surface | Past Producer | MRDS |
| Gary Quarry | Feldspar | Surface | Past Producer | MRDS |
| George Iager Beryl-Mica Prospects | Past Producer | MRDS | ||
| Gudelsky Farm | Mica | Prospect | MRDS | |
| Hanna Quarry | Feldspar | Surface | Past Producer | MRDS |
| Harold Stromberg Quarry | Feldspar | Surface | Past Producer | MRDS |
| Haslup Ore Bank | Iron | Surface | Past Producer | MRDS |
| Highe Quarry No. 1 | Feldspar | Surface | Past Producer | MRDS |
| Highe Quarry No. 2 | Feldspar | Surface | Past Producer | MRDS |
| Hobbs Ore Bank | Iron | Surface | Past Producer | MRDS |
| Jones Quarry Llc | Dimension Stone NEC | Surface | Abandoned | MSHA |
| Lt106-002-Marriottsville | Crushed, Broken Limestone NEC | Surface | Abandoned | MSHA |
| Marriottsville Quarry | Quartz | Past Producer | MRDS | |
| Maryland Mica Company Mine | Mica | Surface | Past Producer | MRDS |
| Mathews Quarry | Feldspar | Surface | Past Producer | MRDS |
| Melvin Quarry | Feldspar | Surface | Past Producer | MRDS |
| Melvin Quarry No. 1 | Feldspar | Surface | Past Producer | MRDS |
| Melvin Quarry No. 2 | Feldspar | Surface | Past Producer | MRDS |
| Moody Quarry | Feldspar | Surface | Past Producer | MRDS |
| Mount St.clement College Quarry | Feldspar | Surface | Past Producer | MRDS |
| O'Connor Farm Quarries | Feldspar | Surface | Past Producer | MRDS |
| Parlet Prospect | Mica | Prospect | MRDS | |
| Patapsco Quarry | Quartz | Past Producer | MRDS | |
| Patapsco Quarry | Stone, Dimension | Surface | Past Producer | MRDS |
| Perry Quarries | Feldspar | Surface | Past Producer | MRDS |
| Pindell Quarries No. 1 | Feldspar | Surface | Past Producer | MRDS |
| Pindell Quarries No. 2 | Feldspar | Surface | Past Producer | MRDS |
| Product Sales Company Quarry | Feldspar | Surface | Past Producer | MRDS |
| Rice Ore Bank | Iron | Surface | Past Producer | MRDS |
| Shipley Quarry | Feldspar | Surface | Past Producer | MRDS |
| South Marriottsville Quarry | Feldspar | Surface | Past Producer | MRDS |
| Streker Quarry | Feldspar | Surface | Past Producer | MRDS |
| Talbott Ore Bank | Iron | Surface | Past Producer | MRDS |
| Theis Quarry No. 1 | Feldspar | Surface | Past Producer | MRDS |
| Theis Quarry No. 2 | Feldspar | Surface | Past Producer | MRDS |
| Theis Quarry No. 3 | Feldspar | Surface | Past Producer | MRDS |
| Warfield Quarry | Feldspar | Surface | Past Producer | MRDS |
| Weber Quarry | Feldspar | Surface | Past Producer | MRDS |
| Wharton Quarry | Feldspar | Surface | Past Producer | MRDS |
| Wright Quarry | Feldspar | Surface | Past Producer | MRDS |
| Zepp Quarry | Feldspar | Surface | Past Producer | MRDS |