Mines in St. Mary's County, Maryland
55Total
29Active
St. Mary's County, Maryland has 55 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 29 of these are currently active mining operations. The most commonly recorded commodity is construction sand and gravel, with 5 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in St. Mary's County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Loveville-Md Sand & Gravel | Construction Sand and Gravel | Surface | Active | MSHA |
| Mechanicsville-Md Sand & Gravel | Construction Sand and Gravel | Surface | Active | MSHA |
| Zimmerman Mine | Construction Sand and Gravel | Surface | Active | MSHA |
| 2 Unnamed Gravel Pits 4.2 Mi W. of California | Sand and Gravel, Construction | Producer | MRDS | |
| B.f. Asher Pit and Plant | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Base Pit & Plant | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Brenton Bay Sand & Gravel Pit & Plt | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Charlotte Hall Sand and Gravel Co. | Sand and Gravel, Construction | Producer | MRDS | |
| The Leonardtown Sand & Gravel | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit 0.3 Mi Se of Redgate | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit 1.1 Mi Se of Tintop Hill | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit 1.3 Mi Nw of Redgate | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit 1.9 Mi W. of St. Cuthbert Wharf | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit 2.5 Mi Ssw of California | Sand and Gravel, Construction | Producer | MRDS | |
| Unnamed Gravel Pit 3 Mi N.w. of California | Sand and Gravel, Construction | Producer | MRDS | |
| Abells Wharf Pit and Plant | Sand and Gravel, Construction | Past Producer | MRDS | |
| B.f. Asher Pit and Plant | Sand and Gravel, Construction | Past Producer | MRDS | |
| Chaney Enterprises | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Charlotte Hall Sand & Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Leonardtown Sand & Gravel | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Stauffer Pit & Leonardtown Plant | Sand and Gravel, Construction | Past Producer | MRDS | |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pits | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pits | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pits | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pits | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pits | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Unnamed Gravel Pits | Sand and Gravel, Construction | Surface | Past Producer | MRDS |