Colorado cleaned up Rocky Mountain Arsenal after decades of weapons and chemical production; a 15,000-acre refuge now supports more than 330 animal species
Rocky Mountain Arsenal National Wildlife Refuge Just 10 miles northeast of Denver, Colorado, the Rocky Mountain Arsenal National Wildlife Refuge is now a vast urban wildlife sanctuary where bison graze, bald eagles fly over lakes and black-footed ferrets live in the grasslands. Covering about 15,000 acres, the refuge is home to more than 330 species…