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Ground penetrating radar (GPR) antenna mounted on a small tractor surveying near the Stonehenge monument as part of a larger project that identified a row of 90 previously undiscovered stones less than 3 km from Stonehenge.

GPR Used to Locate Possible ‘Superhenge’ Near Stonehenge

September 14, 2015 rockman Comments Off

Archaeologists using high-resolution ground penetrating radar (GPR) have located a massive collection of stones less than 3 km from the well-known Stonehenge site. This grouping of 90 stones, up to 4.5 meters tall (14.7 feet) […]