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NOAA Photo Library Image - cgs01427

Earthenware crock buried and set as survey marker by Ferdinand Hassler at Station Willow Grove 1839. The fact that it could be found and recovered is a tribute to the accuracy of the work of Hassler and his descendant surveyors of the Coast and Geodetic Survey.

Image ID: cgs01427, 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