Upper Animas River Study Area | USGS Abandoned Mine Lands Initiative
This is a section of the USGS Abandoned Mine Lands Initative (AMLI) site.
Upper Animas River Watershed, Colorado Study Area
The Animas River watershed is one of many watersheds in the western United States where historical mining has left a legacy of acid mine drainage and elevated concentrations of potentially toxic trace elements. Many abandoned mine lands are located on or directly affect Federal land. Cleaning up these Federal lands and restoring these watersheds will require a substantial investment of resources and many years of work. As part of a cooperative effort with Federal land-management agencies, the U.S. Geological Survey implemented an Abandoned Mine Lands Initiative in 1997. One of the two watersheds studied under the initiative was the Animas River watershed in Colorado.
![map showing study locations in CO and MT](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/AMLI-Figure2-Watersheds.png?itok=RZpHdivf)
This is a section of the USGS Abandoned Mine Lands Initative (AMLI) site.
USGS Abandoned Mine Lands Initiative
Below are publications associated with this project.
Integrated investigations of environmental effects of historical mining in the Animas River Watershed, San Juan County, Colorado
Understanding Contaminants Associated with Mineral Deposits
Geochemistry of Surface and Ground Water in Cement Creek from Gladstone to Georgia Gulch and in Prospect Gulch, San Juan County, Colorado
Integrated investigations of environmental effects of historical mining in the Animas River Watershed, San Juan County, Colorado
Formation of mixed Al-Fe colloidal sorbent and dissolved-colloidal partitioning of Cu and Zn in the Cement Creek - Animas River Confluence, Silverton, Colorado
The effects of acidic mine drainage from historical mines in the Animas River watershed, San Juan County, Colorado—What is being done and what can be done to improve water quality?
Quantification and simulation of metal loading to the Upper Animas River, Eureka to Silverton, San Juan County, Colorado, September 1997 and August 1998
Identification of spectrally similar materials using the USGS Tetracorder algorithm: The calcite-epidote-chlorite problem
Assessment of metal loads in watersheds affected by acid mine drainage by using tracer injection and synoptic sampling: Cement Creek, Colorado, USA
Evaluating remedial alternatives for an acid mine drainage stream: Application of a reactive transport model
Water quality and aquatic toxicity data of 2002 spring thaw conditions in the upper Animas River watershed, Silverton, Colorado
Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado
Bioavailability of metals in stream food webs and hazards to brook trout (Salvelinus fontinalis) in the upper Animas River watershed, Colorado
This is a section of the USGS Abandoned Mine Lands Initative (AMLI) site.
Upper Animas River Watershed, Colorado Study Area
The Animas River watershed is one of many watersheds in the western United States where historical mining has left a legacy of acid mine drainage and elevated concentrations of potentially toxic trace elements. Many abandoned mine lands are located on or directly affect Federal land. Cleaning up these Federal lands and restoring these watersheds will require a substantial investment of resources and many years of work. As part of a cooperative effort with Federal land-management agencies, the U.S. Geological Survey implemented an Abandoned Mine Lands Initiative in 1997. One of the two watersheds studied under the initiative was the Animas River watershed in Colorado.
![map showing study locations in CO and MT](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/AMLI-Figure2-Watersheds.png?itok=RZpHdivf)
This is a section of the USGS Abandoned Mine Lands Initative (AMLI) site.
USGS Abandoned Mine Lands Initiative
Below are publications associated with this project.