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benchmarking

BenchmarkAn outdoors activity that involves finding specific geographic points identified and used by the National Geodetic Survey to aid in land surveying and civil engineering. Usually a GPS unit is required in order to find a benchmark. Once found, a photo is taken of the benchmark to record the find (see photo).

SEE ALSO:
  1. Benchmark Hunting on Geocaching.com


 

 

 

 

 

 

 

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