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NOAA Photo Library Image - cgs00918

"A.D. BACHE, SUPTDT" inscribed on granite obelisk which marked an end point of the baseline measured by Alexander Dallas Bache on Dauphin Island in 1847. It is now in Ft. Gaines at the entrance to Mobile Bay. Although moved from its original location, it is the oldest known Coast Survey marker on the Gulf Coast.

Image ID: cgs00918, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alabama, Dauphin Island


High Resolution Photo Available





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Last Updated:
April 30, 2013