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Above we show an extraordinary image of a reconnaissance of the approaches to Philadelphia showing the positions and lines of defence on the north front of the city / made under the direction of A.D. Bache, Supt. U.S. Coast Survey, Engineer in Charge of the Defences ; general field reconnaissance by George Davidson, Assistant U.S. Coast Survey ; details by George Davidson ... et al. ; map plotted and drawn by George Davidson, assisted by A.R. FauntLeRoy and W.E. Weber ; tracing by A.R. FauntLeRoy and W.E. Weber. It was created in 1863.
Fortification.
Topographic map of northern Philadelphia and small adjacent part of Montgomery County showing Civil War earthworks and batteries.Signed in handwriting: George Davidson, Assistant Engineer Fortifications.
We have compiled this collection of pictures mainly to serve as a vital educational tool. Contact curator@history-map.com for information or questions on this map.
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