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Official USGS Benchmark Thread
Survey Markers — Wayfarer
Official USGS Benchmark Thread
Groundspeak is removing Benchmarking and the logs/photos - Benchmarking - Geocaching Forums
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Official USGS Benchmark Thread
Groundspeak is removing Benchmarking and the logs/photos - Benchmarking - Geocaching Forums
Disney Benchmarks
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need benchmark help - General Waymarking Topics - Geocaching Forums