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Strictly Surveying
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Great to see so many young students from 22 schools participating in the NSPS competition on the Mall in D.C. Trials in triangulation with a T-2, leveling and Compass and chain traverse. Nice Spring weather. They all go a chance to see the historical BM (NGS station A, PID HV1841) set in 1878 by Lt. Thomas Casey to support the rebuilding of the Washington Monument foundation - commonly called the "Mini Monument" it's 14 ft deep and only accessible by special dispensation from the National Park Service.
Posted : March 30, 2023 1:34 pm