Animas River Environmental Contamination from the .
Abstract •Animas River was contaminated by Durango Mill Site from 1880 to 1990 •The processing of Lead/Silver/Gold was from 1881 to 1930 •The processing of Uranium/Vanadium was from 1942 to 1963 •Public Health concern of river contamination and sampling was from 1955 to 1962 •Radium contamination was most significant contaminant •The Durango Mill Site closure occurred in 1963