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![Observing angles from the top of the day marker theb2507.jpg Observing angles from the top of the day marker](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2507.jpg?itok=rjIUnGgZ)
Description
Observing angles from the top of the day marker.Photo#2 of sequence (Image credit: Family of Captain Carl I. Aslakson, C&GS;)
Credit
Family of Captain Carl I. Aslakson, C&GS;
Display Date
1924
Location
Florida, Lake Okeechobee
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Wooden Towers & Signal Poles
Keywords
Geodesy
Triangulation
Towers
Wooden