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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Haywood, J. K. (John Kerfoot),
    Publication info: Washington, Gov't Print. Off, 1908
    Holding Institution: Multiple institutions
    Subjects: Animals  Effect of pollution on  Plants  Smelter fumes  Smelter waste  
  2. By: Haywood, John Kerfoot.
    Publication info: Washington, Govt. print. off, 1905
    Holding Institution: University of California Libraries
    Subjects: Smelter fumes