After years of demands from Colo. state mining regulators and Denver Water officials, Cotter Corp. has begun cleaning up the defunct Schwartzwalder Mi...
After years of demands from Colo. state mining regulators and Denver Water officials, Cotter Corp. has begun cleaning up the defunct Schwartzwalder Mi...
Cotter Corp. has received approval from Colorado Department of Public Health and Environment to dump 90,000 gallons of radioactive sludge and waste pr...