Mines in Polk County, North Carolina

Mine	Commodity	Type	Status	Source
Ameri-con Materials Adger Mine	Construction Sand and Gravel	Surface	Active	MSHA
Green River Mine	Sand and Gravel, Construction	Surface	Producer	MRDS
Mill Spring Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Green River Mine	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Mill Spring Quarry	Granite		Past Producer	MRDS
Mill Spring Quarry & Mill	Crushed, Broken Granite	Surface	Abandoned	MSHA
North Star Mine	Mica	Underground	Past Producer	MRDS
Sand And Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Sand And Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Sand And Gravel Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unnamed Marble Occurrence			Occurrence	MRDS
Unnamed Mica Occurrence			Occurrence	MRDS
Unnamed Mica Sample Locality			Occurrence	MRDS