Mines in Delaware

Mining in Delaware

Federal databases record 62 mine and mineral deposit locations in Delaware, drawing from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records. Of these, 20 are currently active operations regulated by MSHA.

Mining in Delaware is predominantly surface-based, with 38 surface sites recorded.

The earliest recorded mine in Delaware is Edgemoor Plant Ti in New Castle County, with records dating to 1956. Explore the counties below or use the mine lookup to search near a specific address.

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

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