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![Measuring distance between tidal bench marks on a boulder beach cgs02660.jpg Measuring distance between tidal bench marks on a boulder beach](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02660.jpg?itok=WLBSyDNA)
Description
Measuring distance between tidal bench marks on a boulder beach. (Image credit: NOAA Teacher at Sea Program | Katie Sard)
Credit
NOAA Teacher at Sea Program
Photographer
Katie Sard
Display Date
2013 August 13
Collection
Historic Coast & Geodetic Survey
NOAA Affiliation
Isaac Newton Magnet Sch.