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![Surveyor taking sun azimuth for true direction to determine magnetic declination from magnetic observations cgs02150.jpg Surveyor taking sun azimuth for true direction to determine magnetic declination from magnetic observations](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02150.jpg?itok=x4cc0KIN)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs02150jpgDescription
Surveyor taking sun azimuth for true direction to determine magnetic declination from magnetic observations.
Display Date
1957 Ca.
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey
Geophysics Geomagnetism