20251107 10245200 1.0 TRUE Quarter Section The smallest unit in the Public Land Survey System is the section; township/ranges are subdivided into 36 sections; each section is approximately one square mile. trs4 displays the sections quartered NE,NW,SW,SE. Known Errors/Qualifications: Quarter-Section boundaries were mathematically calculated from the Section boundaries, and should only be used as a general reference. Lineage: Registered to improved ADOT section corners in 1992. Produced new layer for the entire County based on the GIS parcel layer Section corners - 05/26/2010. Spatial Domain: Pima County Rectified: parcel Maintenance Format: Shape Primary Source Organization: Pima County ITD GIS Primary Source Date: 2010 Primary Source Format: DWG Secondary Source Organization: Pima County ITD GIS Secondary Source Contact: Steve Whitney Secondary Source Date: 20100526 Secondary Source Format: Shape GIS Contact: Steve Whitney Pima County Information Technology Department - Geographic Information Systems 201 N Stone Ave., 9th Floor Tucson, AZ 85701