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![Mixing cement to set bench mark theb1553.jpg Mixing cement to set bench mark](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1553.jpg?itok=a1IWkF3J)
Description
Mixing cement to set bench mark (Image credit: NOAA)
Credit
NOAA
Location
Southeast Alaska
Collection
Historic Coast & Geodetic Survey
Geodesy
Survey Marks
Keywords
Geodesy
Marks
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Mixing cement to set bench mark (Image credit: NOAA)