Survey team recovering station Willow Grove 1839, an earthenware crock set by Ferdinand Hassler. 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.
Photo Category: Coast and Geodetic Survey
Photo Location: Pennsylvania, Willow Grove
Photo Date: 1979
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Added On | 16th October 2015 |
Viewed | 10 viewed |