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.
Photo Category: Coast and Geodetic Survey
Photo Location: Pennsylvania, Willow Grove
Photo Date: 1979
640 x 419 | 29.84 KB | |
1280 x 837 | 114.34 KB | |
1920 x 1255 | 271.00 KB | |
2975 x 1944 | 706.10 KB |
Added On | 16th October 2015 |
Viewed | 10 viewed |