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Effect of Burlington Mine Pond on Metal Concentrations in Little James Creek. Joe Ryan University of Colorado Lefthand Watershed Oversight Group December 6, 2005. Denver Public Library X-61529. Denver Public Library X-2579. EPA Data. Zinc dissolved
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Effect of Burlington Mine Pond on Metal Concentrations in Little James Creek Joe Ryan University of Colorado Lefthand Watershed Oversight Group December 6, 2005
Denver Public Library X-61529 Denver Public Library X-2579
EPA Data • Zinc • dissolved • aquatic life criteria,acute and chronic:50-100 mg L-1(depends on hardness)
Summary • Similar results for other metals • copper, lead • Burlington Mine cleanup • reduced erosion, contact with waste rock • pond still flowing • no clear improvement • High concentrations downstream • Burlington Mine pond still a source • Emmet Mine probably bigger source
To Ward Big Five Tunnel Captain Jack Mine and Mill White Raven Mine Lefthand Canyon Rd California Gulch Rd Lefthand Canyon Rd Sawmill Rd
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