Provides a brief chronology of attempts to enter into a cooperative agreement with the City of Tucson. The County staff has agreed to positions and requirements of the City, but has been unwilling to put any of the agreements in writing.

Provides background information on improved mapping techniques that have led to a proposal to update the Watercourse and Riparian Habitat Protection and Mitigation Requirements Ordinance adopted in 1994. New riparian classification maps will be forwarded to the Board to consider for adoption during 2003.

Recommends where riparian land acquisitions would be most effective in serving as mitigation that would cover all priority vulnerable species identified in the SDCP. Priority is given to reaches of watercourses.