TY  - RPRT
TI  - Determination of pre-mining geochemical conditions and paleoecology in the Animas River Watershed, Colorado
AU  - S. E. Church
AU  - D.L. Fey
AU  - E. M. Brouwers
AU  - C. W. Holmes
AU  - Robert Blair
PY  - 1999
DO  - 10.3133/ofr9938
UR  - https://pubs.usgs.gov/publication/ofr9938
ID  - ofr9938
ER  -