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1861 Topographical Map of District of Columbia (surveyed in the years 1856, 57, 58, 59)
Map of the Defense of Washington from Atlas Accompanying Official Records
1865 Extract of Military Map of N.E. Virginia Showing Forts and Roads
Historic Map of 1865 with National Park Service Sites Highlighted
Did You Know? The 15-inch Rodman cannon at Fort Foote in Prince George's County, Maryland, weighs about 50,000 lbs (25 tons).
Last Updated: January 09, 2007 at 14:56 EST