Provides an inventory of resources in Ajo and western Pima County and land use planning proposals so that the Planning and Zoning Commission and Board of Supervisors have the opportunity to add western Pima County to the Comprehensive Plan as part of the 2001 Plan Update.

Provides a brief summary of a compilation of resource investigations that have been submitted so far, to help develop the SDCP within the watershed planning area of the Upper Santa Cruz Valley.

Evaluates the conservation significance of county-owned properties in Avra Valley, specifically with regard to Priority Vulnerable Species and the Sonoran Desert Conservation Plan.