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NOAA Photo Library Image - cgs00734

Magnetic dip and variation compiled by W. H. Emory of the Mexican Boundary Survey and Alexander Dallas Bache of the U.S. Coast Survey.

Image ID: cgs00734, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: United States, Western States
Photo Date: 1855
Credit: NOAA Central Library Historical Imagery

High Resolution Photo Available





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Last Updated:
May 12, 2014