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Township & Range is the basis of the Public Land Survey System with 36 square miles per township.
Known Errors/Qualifications: The Canoa Land Grant area is not part of the Public Land Survey System. The tr layer townships cover the Canoa Land Grant area as if it had been included in the survey.
Lineage: 2011-01-18: Township boundaries have been adjusted to match the updated Section boundaries in the layer TRS. The half-Township, T12.5S R14E, has been reintroduced.
Spatial Domain: Pima County
Rectified: parcel
Maintenance Format: Coverage
Primary Source Organization: ALRIS
Primary Source Date: 1988
Primary Source Format: Coverage
Secondary Source Organization: USGS
Secondary Source Document: 7.5 minute quad maps
Secondary Source Date: 1988
Secondary Source Scale: 24000
GIS Contact: Steve Whitney
MapGuide Layer Name: Townships
MapGuide Scale Range: 0 - 100000000 |