TY  - RPRT
TI  - Geochemical studies of mines, dumps, and tailings as sources of contamination, upper Animas River watershed, Colorado
AU  - J. T. Nash
PY  - 2000
DO  - 10.3133/ofr00104
UR  - https://pubs.usgs.gov/publication/ofr00104
ID  - ofr00104
ER  -