pl23_cgs00353.jpg
![Signal building for triangulation work on the Alaska coast cgs00353.jpg Signal building for triangulation work on the Alaska coast](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs00353.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs00353jpgDescription
Signal building for triangulation work on the Alaska coast.
Credit
Mr. Floyd Risvold, USC&GS;
Photographer
Mr. Oscar Risvold
Display Date
1923
Location
Alaska
Collection
Historic Coast & Geodetic Survey
Geodesy
Oscar and Floyd Risvold
NOAA Affiliation
USC&GS;