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![Signal light used for triangulation work theb1693.jpg Signal light used for triangulation work](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1693.jpg?itok=19N9wBLw)
Description
Signal light used for triangulation work.Transcontinental traverse party of Woodrow Johnson (Image credit: Lieutenant Howard Herz, NOAA Corps)
Credit
Lieutenant Howard Herz, NOAA Corps
Display Date
1972
Location
California, Mojave Desert
Collection
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Baseline & Treverse Measurements
Keywords
Geodesy
Triangulation
Baseline
Electronic