Collection Civil War MapsShow Featured Items
Map of a reconnaissance of the approaches to Philadelphia showing the positions and lines of defence on the north front of the city /
Topographic map of northern Philadelphia and small adjacent part of Montgomery County showing Civil War earthworks and batteries. Relief shown by contours and hachures. Signed in handwriting (brown ink): George Davidson, Assistant ...
- Contributor: United States Coast Survey
- Original Format: Maps
- Date: 1863