Letter from Carl Hayden to C. H. Gensler informing him of the proposed Grand Canyon National Park bill.

Letter from Carl Hayden to C. H. Gensler informing him of a trip to the Grand Canyon to discuss the Havasupai Tribe grazing lands.

Letter from Carl Hayden to John H. Page asking his opinion on the proposed national park bill. W.R. Hearst's name and property rights are mentioned.

Letter from Carl Hayden to Stephen T. Mather regarding certain amendments to the national park bill. Rights regarding the Havasupai Tribe are mentioned.

Letter from Carl Hayden to Arno B. Cammerer asking for the insurance claims of Roy James and M. J. Hanley to be investigated.

Letter from Carl Hayden to A. E. Demaray on behalf of Roy James and M. J. Hanley asking if reimbursment could be granted without the need of special legislation.

Letter from Carl Hayden to Roy James and M. J. Hanley expressing a wish to soon have a definite answer in regards to their insurance claims.

Letter from Carl Hayden to Arno Cammerer asking his advice in regards to the insurance claims filed by park employees.

Letter from Carl Hayden to Arno B. Cammerer enclosing Ed Hamilton's request for the road between Grand Canyon Village and Rowe's Well to be updated.