[Plan of Fort Sumner, Montgomery County, composed of Redoubts Cross, Davis, and Kirby and also showing nearby rifle pits and Batteries Alexander and Benson, part of the defenses of Washington, D. C. ]
Summary
"Fortifications Map File" Plans of Military Forts
Public domain scan of a plan of settlement buildings, free to use, no copyright restrictions image - Picryl description
Tags
Date
1860 - 1880
Source
The U.S. National Archives
Copyright info
No known copyright restrictions