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National Spatial Data Infrastructure Partnership Programs Rethinking the Focus (2001) / Chapter Skim
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Pages 13-14

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From page 13...
... Although a very large number of geospatial data types exist, those that constitute the critical base layers are considered to be the framework for the entire system. The MSC's 1995 report, A Data Foundation for the National Spatial Data Infrastructure, articulated the need for a NSDI foundation.
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From page 14...
... The Framework Working Group identified the following seven themes as the framework of the NSDI: geodetic control (the measurements and monuments that form the foundation for practical surveying) ; orthoimagery (digital datasets derived from aerial photographs and corrected for distortion)
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Key Terms

  • geospatial data
  • spatial data
  • cadastral information
  • data infrastructure
  • national spatial

  • executive order
  • geodetic control
  • seven themes
  • metadata standards
  • usgs topographic

  • topographic quadrangles


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