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![Leveling the tide staff to assure it hasn't moved vertically since installation cgs02654.jpg Leveling the tide staff to assure it hasn't moved vertically since installation](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02654.jpg?itok=TmqkPlXE)
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Leveling the tide staff to assure it hasn't moved vertically since installation. Teacher at Sea Rosalind Echols holding the level rod for the benchmark leveling process. In her words It is incredibly difficult to hold 12 feet of levelingrod level. (Image credit: NOAA Teacher at Sea Program | Rosalind Echols)