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- All Subjects: Grand Canyon National Park (Ariz.)
- Creators: Hamilton, Ed
- Creators: Albright, Horace M.
- Creators: Babbitt, Herbert
- Creators: Rice, William S.
Letter from Ed Hamilton to Carl Hayden regarding the storage of dynamite in Shoski Canyon.
Letter from Ed Hamilton to Carl Hayden requesting maintenance for the road between Grand Canyon Village and Rowe's Well.
Letter from Ed Hamilton to Carl Hayden outlining his opposition to Superintendent Tillotson's report on the road between Grand Canyon Village and Rowe's Well.
Letter from Horace M. Albright to Carl Hayden requesting a formal submission from Coconino County concerning the Bright Angel Trail.
Letter from Field Assistant Horace M. Albright to Carl Hayden requesting letters to be drafted in regards to the grazing of sheep and cattle on national park lands. Bankhead and Henderson are singled out as not keeping to their permit restrictions.
Letter from Herbert Babbitt to Carl T. Hayden about grazing cattle in the park boundaries.