Dec 21, 2018
For the three hundred sixty-fourth edition of the GeoGearHeads
MDSurveyor is back to talk about Benchmarking. He was last on
talking about it. There is a benchmarking database on
Geocaching.com which is how most Geocachers have been introduced to
it. But the NGS
Data Explorer is more complete.
The live video session from this Hangout On Air can be found on YouTube.
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