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NOAA Photo Library Image - cgs00733

"Abstract of results of a Magnetic Survey of Pennsylvania...." by Alexander Dallas Bache, 1863.

Image ID: cgs00733, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Pennsylvania
Photo Date: 1863
Credit: NOAA Central Library Historical Imagery

High Resolution Photo Available





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Last Updated:
May 12, 2014