Digital Library Search
![Signal building for triangulation work on the Alaska coast cgs00353.jpg Signal building for triangulation work on the Alaska coast](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs00353.jpg?itok=D763hZNb)
Description
Signal building for triangulation work on the Alaska coast. (Image credit: Mr. Floyd Risvold, USC&GS; | Mr. Oscar Risvold)
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;