Digital Library Search
![A magnetic instrumentThe Coast and Geodetic Survey was the Nation's primary geophysical agency untilthe early 1970's when its geomagnetic duties were transferred to the USGS cgs02187.jpg A magnetic instrumentThe Coast and Geodetic Survey was the Nation's primary geophysical agency untilthe early 1970's when its geomagnetic duties were transferred to the USGS](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02187.jpg?itok=tdgTg0t7)
Description
A magnetic instrumentThe Coast and Geodetic Survey was the Nation's primary geophysical agency untilthe early 1970's when its geomagnetic duties were transferred to the USGS.
Display Date
1957 ca.
Collection
Historic Coast & Geodetic Survey
Keywords
Coast and Geodetic Survey
Geophysics Geomagnetism