Filtering by
- All Subjects: Hayden, Carl Trumbull, 1877-1972
- Creators: Cameron, Ralph H.
- Creators: Gavin, J. E.
- Creators: Smith, George Otih
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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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Letter from J. E. Gavin on behalf of Carl Hayden writing in regards to the insurance claims filed with the National Park.
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Letter from Ralph H. Cameron to Carl Hayden thanking him for forwarding Senate Bill No. 390 with the report of March 31st, 1918, and expressing interest in their upcoming meeting in Washington.
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Letter from Ralph H. Cameron to Carl Hayden requesting a delay on the introduction of the Grand Canyon bill until he can meet with himself and Senator Ashurst in Washington.
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Letter from Ralph H. Cameron asking to speak to Carl Hayden concerning a matter relevant to the bill granting National Park status to the Grand Canyon.