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Civil War Defenses of WashingtonFort Totten historic photo.
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Civil War Defenses of Washington
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Denis Hart Mahan  

Did You Know?
The design for the Defenses of Washington was based on a textbook published in 1836 called A TREATISE ON FIELD FORTIFICATIONS, by Dennis Hart Mahan. Mahan was a professor of civil and military engineering at West Point.

Last Updated: September 12, 2007 at 10:22 EST