Colorado Mining Ass'n v. Board of County Comm'rs of Summit County

ELR Citation: ELR 20017
No(s). 07SC497 (Colo. Jan 12, 2009)

The Colorado Supreme Court held that the state Mined Land Reclamation Act impliedly preempts a county's ban on the use of toxic or acidic chemicals, such as cyanide, for mineral processing in vat or heap leach operations for all zoning districts in the county. The county enacted the ordinance to pro...