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Signal at Stillpond, Maryland Picture

Signal at Stillpond, Maryland

Signal at Stillpond, Maryland. Instrument height of 120 feet - top of signal 275 feet. 39th Parallel Survey. Record signal height from wooden tower

Photo Category: Geodesy - Triangulation - Towers - Wooden
Photo Location: Maryland
Photo Date: 1880?

Author: NOAA Central Library/ NOAA

License: Public Domain Mark 1.0 (Public domain)
418 x 640 46.54 KB
1064 x 1632 393.11 KB
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Added On
18th October 2015
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