Size of this preview: 476 × 600 pixels. Other resolutions: 190 × 240 pixels | 528 × 665 pixels.
Original file (528 × 665 pixels, file size: 190 KB, MIME type: image/jpeg)
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| Description |
English: heliograph - Signaling with heliograph near Monument 92. Alaska - Canada border. International Boundary Commission |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Cropped. The original can be viewed here: Heliograph.jpg:  . Modifications made by Macchess.
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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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Original upload log
This image is a derivative work of the following images:
- Image:Heliograph.jpg licensed with PD-USGov
- 2005-04-03T09:15:47Z Svdmolen 1376x900 (551067 Bytes) heliograph -http://www.photolib.noaa.gov/historic/c&gs/theb1633.htm {{PD}} [[category:science]]
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Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:41, 29 June 2008 | | 528 × 665 (190 KB) | Macchess~commonswiki | {{Information |Description={{en|heliograph - Signaling with heliograph near Monument 92. Alaska - Canada border. International Boundary Commission}} |Source=*Image:Heliograph.jpg |Date=2008-06-29 06:40 (UTC) |Author=*derivative work: ~~~ *[[:Image:H |
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