Letter from Carl Hayden to H. F. Robinson with attached notes from W. W. Bass and C. H. Gensler. Hayden solitices advice concerning the Havasupai Tribe needs for grazing and access to natural resources.

Letter from Carl Hayden to L. S. Williams informing the Saginaw and Manistee Lumber Company that a bill extending the timber cutting rights in the Canyon did not pass in Congress.

Letter from Carl Hayden to George W. P. Hunt outlining the proposed national park boundaries and the cost of a township if the state of Arizona decided to acquire one on the rim of the Grand Canyon.

Letter from Carl Hayden to L. B. Williams concerning the proposed township in the Grand Canyon.

Letter from W. W. Bass to Carl Hayden regarding the right to his property.

Letter from Carl Hayden to W. W. Bass on the recent amendments made to the national park bill.

Letter from T. E. Pollock to Carl Hayden asking his opinion on the proposed boundary lines.

Letter from W. W. Bass to Carl Hayden requesting a meeting at his camp to discuss the proposed park boundaries when he is attending the Arizona Good Roads Association conference.

Letter from Carl Hayden to W. W. Bass informing Bass that he will not be able to go north to attend the Arizona Good Roads Association conference; however, he assures Bass that his rights as a land owner and miner will be protected.

Letter from Carl Hayden to W. W. Bass asking his opinion on the proposed boundaries of the National Park. GC National Park written on the letter in red pencil.