« Previous
Next »
Subject (Region)
- District of Columbia16
- Chesapeake and Ohio Canal (District of Columbia/Maryland/West Virginia)3
- Maryland3
- Ohio River3
- Pennsylvania3
- Potomac River3
- Cacapon River (West Virginia)2
- Harpers Ferry, West Virginia2
- Virginia2
- Wisconsin2
- Cincinnati, Ohio1
- Connecticut1
- Costa Rica1
- Cumberland, Maryland1
- Delaware1
- Dismal Swamp Canal (Virginia)1
- Europe1
- Florida Territory (1822-1845)1
- Illinois1
- Indiana1