| Credit: | unknown photographer |
|---|---|
| Date: | 1864.02 |
| Negative Size: | stereo |
| Equipment: | horse; ladder |
| Locations & Lines: | Portsmouth Signal Station (Portsmouth VA); Portsmouth VA; Virginia |
| Military Units: | Signal Corps; US Army |
| Structures & Establishments: | Portsmouth Signal Tower (Portsmouth VA) |
| Sources: | USAMHI – MOLLUS collection |
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