Mines in Philadelphia County, Pennsylvania

Mine	Commodity	Type	Status	Source
Ap Green Refrac-remmey Div-phil, Pa	Zirconium	Processing Plant	Producer	MRDS
Franklin Smelting & Refining	Copper	Processing Plant	Producer	MRDS
Barber's Quarry	Molybdenum		Occurrence	MRDS
Hoffman's Quarry	Tungsten		Occurrence	MRDS
Hoffmans Quarry			Past Producer	MRDS
U S Gypsum Co--philadelphia, Pa.	Gypsum-Anhydrite	Processing Plant	Past Producer	MRDS