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References

  • Bürki, R., et al., Climate Change and Winter Sports: Environmental and Economic Threats5th World Conference on Sport and EnvironmentTurin, Italy2–3 December., 2003.
  • , Hydrosphere Resource Consultants, Keystone Ski Area Water Quality Study Executive Summary White River National ForestDillon Ranger District, Boulder, Colo., 2001.
  • , U.S. Environmental Protection Agency(2002), National Recommended Water Quality Criteria: 2002, EPA-822-R-02-047, Washington, D.C..