| Credit: | by Smith (William M.) |
|---|---|
| Date: | 1865 |
| Negative Size: | 8 in. x 10 in. |
| Locations & Lines: | Alexandria & Washington Railroad (A&W); Alexandria Canal; Chesapeake & Ohio Canal; District of Columbia; Georgetown DC; Mason’s Island; Potomac River; Virginia; Washington DC |
| Military Units: | US Army; US Military Railroads (USMRR) |
| Structures & Establishments: | Aqueduct Bridge (Alexandria Canal); New A&W Long Bridge (Potomac River) |
| Sources: | Library of Congress |
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