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NOAA Photo Library Image - cgs01430

Earthenware survey marker that cracked upon removal from ground. This mark was set in 1839 by Ferdinand Hassler.

Image ID: cgs01430, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Pennsylvania, Willow Grove
Photo Date: 1979


Category: Coast and Geodetic Survey/

• High Resolution Photo Available




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Last Updated: April 30, 2013