File:Jackson and Blackfoot Glaciers 1914 to 2001.jpg
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Summary
| Description | Jackson (at right) and Blackfoot Glaciers (on the left) in Glacier National Park (U.S.) as seen in repeat photography images. The top image shows the galciers as they appeared in 1914, while the lower image shows the level of retreat that had occured by 2001. |
| Date | and 2001 |
| Source | United States Geological Survey website [1] |
| Author | E.C. Stibinger (NPS, 1914), Blase Reardon (USGS, 2001) |
Licensing
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:21, 20 January 2008 | | 720 × 540 (65 KB) | MONGO | {{Information |Description=Jackson (at right) and Blackfoot Glaciers (on the left) in Glacier National Park (U.S.) as seen in repeat photography images. The top image s |
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