Mines in Grundy County, Iowa

Mine	Commodity	Type	Status	Source
Bowers Sand Pit	Sand and Gravel, Construction	Surface	Producer	MRDS
Conrad Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Grundy Center Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Holland Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
John Harms	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Lamken Pit	Sand and Gravel, Construction	Surface	Past Producer	MRDS
Portable Number 2	Crushed, Broken Limestone NEC	Surface	Abandoned	MSHA
Reiken Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Tack Quarry	Stone, Crushed/Broken	Surface	Past Producer	MRDS
Unknown	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	Sand and Gravel, Construction	Surface	Past Producer	MRDS