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Letter From Carl Hayden to George Otis Smith, U.S. Geological Survey

ContributorsHayden, Carl T. (Author) / Smith, George Otih (Author)
Created1918-04-25
Description

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

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Grand Canyon National Park Congressional Report Number 832 65th Congress

ContributorsHayden, Carl T. (Author)
Created1918-10-18
DescriptionReport to accompany S 390. HR. 65th Congress, 2nd Session Rpt 832. House of Representatives bill for the formation of Grand Canyon National Park with requested amendments.