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Effect of Burlington Mine Pond on Metal Concentrations in Little James Creek

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

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  1. Effect of Burlington Mine Pond on Metal Concentrations in Little James Creek Joe Ryan University of Colorado Lefthand Watershed Oversight Group December 6, 2005

  2. Denver Public Library X-61529 Denver Public Library X-2579

  3. EPA Data • Zinc • dissolved • aquatic life criteria,acute and chronic:50-100 mg L-1(depends on hardness)

  4. Our Data – Zinc, April 2003

  5. Our Data – Zinc, June 2003

  6. 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

  7.  To Ward Big Five Tunnel Captain Jack Mine and Mill White Raven Mine Lefthand Canyon Rd California Gulch Rd Lefthand Canyon Rd Sawmill Rd

  8. W. Andrew Ketchin J.M. & M.J.Shaffer BoulderCo. Boulder County W. Andrew Ketchin Captain Jack Mining Ltd. Boulder County Grover E. Burdine Grover E.Burdine WV Mickey Jr.& R Patrick Captain Jack Mining Ltd. J.M. & M.J.Shaffer Bird Dog Properties LLC Bird Dog Properties LLC Boulder County Boulder County AR Tiedemann& RL Vogel U.S. Govt. AR Tiedemann& RL Vogel Captain Jack Mining Ltd. Captain JackMining Ltd. David E. Van Dyke AR Tiedemann& RL Vogel Captain Jack Mining Ltd. Ameriquest Mortgage Co. Bird Dog Properties LLC Captain Jack Mining Ltd. Ameriquest Mortgage Co. Captain Jack Mining Ltd. Bird Dog Properties LLC Ameriquest Mortgage Co. Bird Dog Properties LLC Peter P. Brady Bird Dog Properties LLC Bird Dog Properties LLC U.S. Government Toy L.B. &Lucian S.F. Bird Dog Properties LLC Boulder County Toy L.B. &Lucian S.F. U.S. Government U.S. Government A.P. &T.S. Brown A.P. & T.S. Brown Tina M. Winwood

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