California, MD Mines

Mines in California, Maryland

Mine Owner Land Status Work Type Minerals
Unnamed Gravel Pit Sand and Gravel
Unnamed Gravel Pit Sand and Gravel
Unnamed Gravel Pit Private Sand and Gravel
Unnamed Gravel Pit Private Sand and Gravel
Unnamed Gravel Pit Private Sand and Gravel
Unnamed Gravel Pit Private Sand and Gravel
Unnamed Gravel Pit 2.5 Mi Ssw of California Sand and Gravel
Unnamed Gravel Pit 3 Mi N.W. of California Sand and Gravel
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