| Credit: | by Barnard (George N.) |
|---|---|
| Date: | 1862.06 |
| Negative Size: | 4 in. x 10 in. stereo |
| Locations & Lines: | Alexandria Canal; Arlington VA; District of Columbia; Georgetown College (Georgetown DC); Georgetown DC; Potomac River; Virginia |
| Military Units: | Army of the Potomac; US Army |
| Structures & Establishments: | Aqueduct Bridge (Alexandria Canal); Georgetown College Astronomical Observatory (Georgetown DC); W. H. Whiton house (Georgetown DC) |
| Sources: | Library of Congress; USAMHI – MOLLUS collection |
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