This report is one of several from Statistical Research Inc. written to develop the Cultural and Historic Resources Element of the Sonoran Desert Conservation Plan. Divided into four parts, the report summarizes available information that reflects the experience of (1) ancient peoples of Southern Arizona; (2) indigenous peoples; (3) non-indigenous peoples of the historical period; and (4) Pima County today.

What has been developed in Orange and San Diego County, Calif. are blueprints for other urbanizing communities committed to striking a balance between growth and development and environmental quality and its notion of livability. These plans successfully put in place conservation measures unprecedented in their scope and breadth and yet do so without compromising the economic vitality of the region.