pl23_theb1621.jpg
![Map showing status of triangulation as of 1937 theb1621.jpg Map showing status of triangulation as of 1937](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb1621.jpg)
Description
Map showing status of triangulation as of 1937.
Credit
Association of Commissioned Officers
Display Date
1937
Location
United States
Category
Historic Coast & Geodetic Survey
Geodesy
Triangulation
Observing the Angles
Keywords
Geodesy
Triangulation
Angles