Mines in Union County, Pennsylvania

Union County, Pennsylvania has 23 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 6 of these are currently active mining operations. The most commonly recorded commodity is iron, with 8 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Union County

Mine	Commodity	Type	Status	Source
Iddings Quarry	Crushed, Broken Limestone NEC	Surface	Active	MSHA
Lewisburg Quarry	Crushed, Broken Limestone NEC	Surface	Active	MSHA
Winfield Quarry	Crushed, Broken Limestone NEC	Surface	Active	MSHA
Clinton Shale Quarry	Clay	Surface	Producer	MRDS
John Iddings Limestone Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Winfield Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Dale Ridge Quarry & Plant	Limestone, General		Past Producer	MRDS
Faylor-Middlecreek Inc	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Glen Iron Mines	Iron	Underground	Past Producer	MRDS
Hafer Mine / Beck Mine	Iron		Past Producer	MRDS
Herlin Iron Works	Iron		Past Producer	MRDS
John Iodings Limestone Quarry	Limestone, General		Past Producer	MRDS
Johnson/kaylor Banks	Iron		Past Producer	MRDS
Mifflinsburg Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Milton Construction Co. Pit	Clay	Surface	Past Producer	MRDS
Tate Paint Mine	Iron		Past Producer	MRDS
Unnamed--Paddy's Mt.	Iron		Past Producer	MRDS
Watson Deer Quarry	Clay		Past Producer	MRDS
Wayne W Knorr Pit	Clay	Surface	Past Producer	MRDS
Winfield Quarry	Limestone, General		Past Producer	MRDS
Witner Mine	Iron		Past Producer	MRDS
Yankee Drift Prospect	Iron	Underground	Past Producer	MRDS
Ziegler Quarry	Clay	Surface	Past Producer	MRDS