Mines in Delaware
62Total
20Active
0Gold
0Coal
38Surface
0Underground
Map
Counties
Notable Mines
| Mine | County | Commodity | Type | Status |
|---|---|---|---|---|
| Wilmington Plant | New Castle | Manganese Ore | Facility | Active |
| Wolman | Sussex | Sand, Industrial NEC | Surface | Active |
| M L Joseph Sand & Gravel Company Inc | Sussex | Construction Sand and Gravel | Surface | Active |
| Tarburton Pit | Kent | Construction Sand and Gravel | Surface | Active |
| Plant #2 | Sussex | Sand, Common | Surface | Active |
| Seaford-de Sand & Gravel | Sussex | Construction Sand and Gravel | Surface | Active |
| Bay Road Plant #7 | Kent | Construction Sand and Gravel | Surface | Active |
| Porter Sand & Gravel, Inc. | Kent | Sand, Industrial NEC | Surface | Active |
| Lewes Pit | Sussex | Sand and Gravel, Construction | Surface | Producer |
| Tarburton Pit | Kent | Sand and Gravel, Construction | Surface | Producer |
| George Nashold Sand And Gravel Pit | Kent | Sand and Gravel, Construction | Surface | Producer |
| Hoskinson Gravel Pit | Kent | Sand and Gravel, Construction | Surface | Producer |
| Route 40 Farm | New Castle | Sand and Gravel, Construction | Surface | Producer |
| Wilson Pit | New Castle | Sand and Gravel, Construction | Surface | Producer |
| Dover Equip. Co. Dredge No. 7 | Kent | Sand and Gravel, Construction | Surface | Producer |
| Whittington Sand Pit | New Castle | Sand and Gravel, Construction | Surface | Producer |
| Stayton Pit | Kent | Sand and Gravel, Construction | Surface | Producer |
| Barber Sand & Gravel Pit | Kent | Sand and Gravel, Construction | Surface | Producer |
| Porter Sand Pit | Kent | Sand and Gravel, Construction | Surface | Producer |
| Barcroft | Sussex | Magnesite | Processing Plant | Producer |