pl23_cgs02149.jpg
![Surveying operations associated with determination of magnetic declination cgs02149.jpg Surveying operations associated with determination of magnetic declination](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02149.jpg)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs02149jpgDescription
Surveying operations associated with determination of magnetic declination.
Display Date
1957 Ca.
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey
Geophysics Geomagnetism