U.S. Geological Survey

Determination of Pre-Mining
Geochemical Conditions and
Paleoecology in the
Animas River Watershed, Colorado

By S.E. Church, D.L. Fey, E.M. Brouwers,
C.W. Holmes, and Robert Blair

U.S. Geological Survey Open-File Report 99-0038

This report is presented here in Portable Document Format.
Adobe Acrobat Reader 3.0™ is required to view it.
If you already have Acrobat Reader 3.0 installed on your computer,
click here to access the text (75 kb).
If you wish to download Acrobat Reader 3.0 free of charge, click here.

USA.gov logo  Take Pride in America button