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  1. By: Emmons, Samuel Franklin, - Emmons, Samuel Franklin, - Geological Survey (U.S.)
    Publication info: Washington, U.S. Geological Survey, 1883
    Holding Institution: Harold B. Lee Library
    Subjects: Colorado  Geology  Leadville  Leadville (Colo.)  Maps  Mines and mineral resources  Topographic maps  
  2. By: U.S. Fish and Wildlife Service. Region 6. - United States. Bureau of Land Management. - United States. Bureau of Land Management. Royal Gorge Field Office.
    Publication info: [Lakewood, Colo.], U.S. Dept. of the Interior, Fish and Wildlife Service - Region 6, Colorado Ecological Services Field Office, 2014
    Holding Institution: Bureau of Land Management
    Subjects: Colorado  Ecological risk assessment  Effect of water quality on  Fishes  Leadville  Pollution  Water