| Credit: | unknown photographer |
|---|---|
| Date: | 1865 |
| Equipment: | cannon; Parrott Rifle gun |
| Locations & Lines: | Alexandria VA; Battery Rodgers (Alexandria VA) ; Orange & Alexandria Railroad (O&A); Potomac River; Virginia |
| Military Units: | US Military Railroads (USMRR); US Army |
| Structures & Establishments: | USMRR Wharf (Alexandria VA) |
| Transports: | schooner; USMRR floating pile driver (a); USMRR floating pile driver (b) |
| Sources: | Private collection |
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