of property boundary corners with reference to a geodetic framework provided by the State Plane Coordinate System and to maintain high standards of quality in building their systems of land records.

These case studies are in distinct geographic regions of the United States: East, Midwest, and West. All are in relatively early stages of planning and testing of a records system, although the program in Wisconsin has made substantial progress toward completion of the geodetic reference network. Two of them represent initiatives by regional planning districts, which then depend on county-level governments actually to build and maintain the records systems.

Each of the programs also has a number of individual attributes that are exemplary. The program of the regional planning district that includes Milwaukee (Appendix A.1) has been closely tied from the beginning to the processes of surveying and recording of new property boundaries. The program in a suburban county west of Chicago (Appendix A.2) is being managed by the county executive office to support county-operating agencies. The program in the suburban county that adjoins Denver (Appendix A.3) has used the subdivision control process to enlist the resources of land developers in building the system of monumented property lines and the records that locate them with respect to the State Plane Coordinate System. The program of the regional planning district that includes Philadelphia (Appendix A.4) has included the electric and gas companies in the consortium that will develop and use the integrated system.



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