pl23_theb2507.jpg
![Observing angles from the top of the day marker theb2507.jpg Observing angles from the top of the day marker](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb2507.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23theb2507jpg-0Description
Observing angles from the top of the day marker.Photo#2 of sequence
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