The Commission was created in 2003. Each report briefly outlines the activities of the past year and the projects for the coming year.

This plan has been prepared in recognition of area flooding problems induced by urbanization within this unusually flat portion of the Tucson basin.

We still have plenty of opportunities to influence the community form. Plans discussed initially involve biological impacts. Conservation planning from Metro Tucson is changing and it is changing the traditional type of development of subdivision s into commercial/shopping center areas since the end of World War II.

Describes a number of streams within watershed planning units and prioritizing these streams according to their existing contribution to the overall conservation of biological diversity in Pima County. Over 50 percent of the priority streams within the County are found within the Altar Valley and the Cienega Rincon area.

Provides an overview of Pima County's (1) natural, constructed and administrative form makers, (2) the origins and implementation of planning and zoning legislation and regulations, and (3) a decade-by-decade review of some of the major land use decisions made within Pima County since the 1920s.

Pima County is blessed with a rich and varying record of human settlement over the 11,000 years representing prehistoric, Spanish Colonial, and Mexican-American influences in our history. The County's archaeological site is the building of structure with traditional cultural values and historic landscapes are all nonrenewable cultural resources.