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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:14, 10 January 2012 | 1,388 × 896 (725 KB) | Kobac | {{Information |Description=Observing station on Round Top - 10386 feet. 39th Parallel triangulation. Astro and triangulation party of George Davidson. California. 1876. Credit: NOAA Central Library. |Source=[http://www.flickr.com/photos/noaaphotolib/557 |
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