Letter from Carl Hayden to George Otis Smith asking his advice regarding the mining of asbestos deposits in the Grand Canyon.

Reuse Permissions
  • Downloads
    pdf (6.9 MB)


    • Letter From Carl Hayden to George Otis Smith, U.S. Geological Survey
    Date Created
    Resource Type
  • Text
  • Citation and reuse

    Cite this item

    This is a suggested citation. Consult the appropriate style guide for specific citation guidelines.

    Senator Carl T. Hayden Papers (1851-1979), Grand Canyon National Park, correspondence, maps, data, bills re: establishment as National Park, 1917-1918. MSS 1. Greater Arizona Collection. ASU Library, Arizona State University, Tempe, AZ.

    Machine-readable links