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 Franklin K. Lane to Carl T. Hayden expressing his support for bill S.390 in establishing the Grand Canyon as a National Park.

Letter from Franklin K. Lane expressing his support for bill S.390 in establishing the Grand Canyon as a National Park. Circa 1913-1920.