5/2/2013

Amateur cartographers in the U.K. are using surveyor-grade GPS equipment to measure the height of hills that are near the 2,000-foot threshold that would allow them to be classified as mountains. They recently determined that one summit, Thack Moor -- previously measured at 1,998 feet -- eclipsed the 2,000-foot barrier by the narrowest of margins. They have already identified their next objective: a summit called Illgill Head that has also been measured at 1,998 feet.

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