Wednesday, January 20, 2016

Benchmark on Bannock

A benchmark on Bannock Street, at the curb. Benchmarks are survey monuments. They can be found throughout the county. The codes on this one show that the elevation at this point was calculated using NAVD - North American Vertical Datum 1988 - at 2697.69 feet.

1 comment:

  1. I have no idea if we have anything like this here. I've never noticed them.


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