Mines in Union County, Iowa

Union County, Iowa has 10 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 2 of these are currently active mining operations. The most commonly recorded commodity is sand and gravel, construction, with 6 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
Thayer Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Thayer Quarry	Stone, Crushed/Broken	Surface	Producer	MRDS
Afton Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Afton-Lacena Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Bullock Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Spring Valley Lake	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unknown	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unknown	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Unknown	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Unknown	Stone, Crushed/Broken	Surface	Past Producer	MRDS