Image:Permafrost - polygon.jpg
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Permafrost_-_polygon.jpg (306 × 204 pixels, file size: 36 KB, MIME type: image/jpeg)
| This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Polygon on the ground. http://carbon.wr.usgs.gov/
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This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy |
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 15:37, 22 April 2006 | 306×204 (36 KB) | Conny | (schwarzen Rand entfernt) |
| 01:06, 18 April 2005 | 310×208 (43 KB) | Ktz | (Polygon on the ground. http://carbon.wr.usgs.gov/ {{PD-USGov-Interior-USGS}}) |
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