Mines in Baltimore (City) County, Maryland

Mine	Commodity	Type	Status	Source
Eller Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Boston 64rm Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Raynes Sand And Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Snow Hill Mine	Iron	Surface	Past Producer	MRDS
Unionville Pit, Dredge And Mill	Sand and Gravel, Construction	Offshore	Past Producer	MRDS