The Arizona Department of Transportation, through its Multimodal Planning and Communications divisions, collaborated with the town of Queen Creek to conduct a transportation study of the Germann Road corridor. The study, which is funded through the Planning Assistance for Rural Areas (PARA) program, was completed in July 2013.

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.