Letter from John Page to Carl Hayden concerning the future of property ownership within the proposed boundaries of the national park.

Letter from John Page to Carl T. Hayden regarding a conversation conducted at Hotel Adams in Phoenix. Page states his concern over the national park bill in reference to his mining company.

Letter from John H. Page to Carl T. Hayden regarding his company's rights to build a railway if they choose to.

Letter from John H. Page regarding his right to build a railway between Grand Canyon Station and the Canyon Copper Company's mines and hotel.

Letter from Governor George W. P. Hunt to Carl Hayden expressing his support for legislation that would grant National Park status to the Grand Canyon.