Letter from C. D. Dawson to Carl Hayden urging him to consider the rights of miners and farmers when drawing up the boundaries for the proposed park.

Letter from Thomas Henry Cureton to Carl Hayden expressing a lack of interest in establishing the Grand Canyon as a national park.

Drafted to facilitate discussion of implementation options. The concepts will assist in future planning and implementation discussions that take place as the Sonoran Desert Conservation Plan is finalized. A purchase of development rights program could assist in the funding of open space lands that contribute to the overall conservation reserve.

By including ranch lands as a landscape form worthy of protection and preservation, Pima County formalized its commitment to keep ranchers ranching as a way of achieving multiple community goals, including conserving natural and cultural resources, preserving open spaces, and defining urban form.