Mineral Resource Map
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North America
United States
Maryland
Dorchester
J.M. Clayton Co. Oystershell Deposit
Past Producer • Limestone, General
Williamsburg Mine
Past Producer • Iron
Rosser Pit
Past Producer • Sand and Gravel, Construction
Bobtown Pit
Producer • Sand and Gravel, Construction
J. M. Clayton Co. Prospect
Prospect • Clay
Beulah Pit
Producer • Sand and Gravel, Construction