Colorado's Animas River Pollution Accident

http://www.denverpost.com/environment/ci_28595759/animas-river-contaminated-by-1-million-gallons-contaminated
http://www.nydailynews.com/news/national/epa-cleanup-accident-leaks-yellow-sludge-river-article-1.2319500
http://www.cnn.com/2015/08/10/us/epa-river-spill-residents/index.html