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NOAA Photo Library Image - cgs02250

The geomagnetic observatory at Camp Colonna on the Canada/U.S. Boundary on the 141st Meridian.

Image ID: cgs02250, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1890


Category: Coast and Geodetic Survey/Geophysics Geomagnetism/

• High Resolution Photo Available




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Last Updated: April 30, 2013