Scope and Contents From the File: Records reflect specific and routine actions of the Joint Powers Board. The drawings supply subsurface information on water and sewer lines throughout both developments. The Board was created in 1983 as a legal power to address the joint water and sewer interests of the Skyline Ranches Improvement and Service District and the Westland Park Improvement and Service District. Both districts were housing developments geographically located outside the jurisdiction of the City of...