GIS for Surveying
 

The Salt River Pima—Maricopa Indian Community's Measured Based GIS

The Salt River Pima-Maricopa Indian Community (SRPMIC) is a reservation established in 1879 for the Pima and Maricopa people. SRPMIC is comprised of 53,000-acres located in Arizona adjacent to Scottsdale, Mesa, Tempe and town of Fountain Hills. SRPMIC is implementing a unique GIS to serve its Community members. Based on Esri's ArcInfo software, the SRPMIC's GIS will develop an extremely accurate cadastral measurement database maintained by surveying and legal description data. Unlike traditional coordinate-based mapping systems, the SRPMIC's measurement-based GIS will store the originating surveying measurements to create an accurate, verifiable cadastral base, rather than obtaining discrete coordinates derived from digitizing existing source maps.

By storing the cadastral measurements, the SRPMIC's GIS database can be automatically readjusted whenever datum changes or survey control modifications occur. Additionally, an online record of the originating legal descriptions, as well as a complete cadastral chronology, will be stored simultaneously as the SRPMIC's digital cadastre is developed over time. In effect, the GIS graphics representation for the Community will be created and automatically maintained through the input of textual legal descriptions.

For more information, please contact Rudy Stricklan, Mapping Automation, Inc and Todd AugŽr (Auger), Salt River Pima-Maricopa Indian Community by visiting www.maricopa.com

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