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 Walter Mitchell to Carl Hayden on building a Union Chapel in the Grand Canyon.