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.

Letter from George Otis Smith, U.S. Geological Survey to Carl Hayden regarding asbestos mining prospects in the Grand Canyon.

Letter from George Otis Smith to Carl Hayden regarding mining rights in the Grand Canyon.

The Pima County Outside Agency program provides funding to non‐profit entities to serve economically and socially disadvantaged populations through social service programs. The Pima County Board of Supervisors establishes funding limits for the program and grants are awarded to agencies through a public committee process.