Conservation of the Tortolita Alluvial Fan landscape has been promoted by Pima County and Town of Marana over the past two decades. An interdepartmental team was formed to evaluate flood and debris flow hazards and the potential to create an expanded Tortolita Fan Preserve. This report provides an overview of the alluvial fan characteristics and evaluates information on the significance of the biological and cultural resources to determine of the area meets the criteria to create a federal preserve.

During the planning process for the SDCP, concerns were raised regarding loss of property tax revenue as well as adverse tax base impacts of Pima County purchasing parcels for open space. This report assesses impacts in two ways. First, the net assessed values of the open space parcels before purchase are compared to the sum of the net assessed values of all parcels in Pima County and in each applicable school district. Second, the property taxes assessed by Pima County and applicable school districts on each open space parcel before purchase is compared to the sum of the property taxes assessed on all parcels within Pima County and applicable school districts.

The historical range of the ferruginous pygmy-owl included areas of southern Arizona, southern Texas extending south along both coasts in Mexico, through Central America into the southernmost population in Argentina. However, over the past 150 years urban and agricultural expansion within the United States has reduced its population to a few isolated pockets of uncertain stability.

In order to communicate effectively about land use in Pima County, we must understand that different individuals and groups of people have assigned meaning to places and landscapes in Pima County in accordance with their experiences and their mode of communication. Ten different cultures and their landscapes are described, providing a fascinating summary of the history of each group in the area.

Provides a review of cultural resources management on the public lands as currently practiced in Pima County, Arizona. Cultural resources include archaeological sites, historic resources, and places of traditional cultural value. This report examines which agencies are responsible for cultural resource management, when they began their programs, how management is conducted, and the challenges that must be met in order to achieve the goal of preserving and protecting cultural resources for future generations.

Describes how information was collected for use in preparing the cultural and historical resources element. The SDCP is a regional planning effort that is designed to balance future growth in Pima County with environmental protection. Pima County compiled and analyzed information on three basic resource types known to occur within the County's jurisdiction: archaeological sites, historical resources, and traditional cultural places.

Reviews the Pima County tax base since 1977 and concludes in part that the tax base has less capacity to produce revenue than it did twenty three years ago. When population growth is factored into the assessment, the County is actually operating on a smaller revenue base than it was two decades ago.