Geochacheing and Benchmark Hunting combine with the current online tracking fad to make this the newest Stonehenge Collectable popular.

http://www.geocaching.com/ is The Official Global GPS Cache Hunt where it all begins.

This is the first coin in the Benchmark Coin Club. www.benchmarkclub.com. It is a reproduction of the National Geodetic Center benchmark set at the University of Missouri - Rolla's Stonehenge. where it has been reported that approximately 160 tons of granite were used to create a 50 Foot ring of 29 1/2 sarsens around a horseshoe of five trilithons in solar alignment as a partial reconstruction of the ancient megalith.