| Credit: | unknown photographer |
|---|---|
| Date: | 1861-1865 |
| Negative Size: | stereo |
| Locations & Lines: | Great Falls (Potomac River); Potomac River |
| Military Units: | Bureau of Military Information (Secret Service); US Army |
| Persons: | Brunell (Jessie); Caldwell (A. Harper); Linde (Albert); Thiel (G. H.); Thomas (Harry) |
| Sources: | Library of Congress; Princeton University Library |
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