File:MountOverlordMap.jpg
Topographic map of Mount Overlord (1:250,000 scale)
Source: http://usarc.usgs.gov/antarctic_atlas/ USGS Atlas of Antarctic Research
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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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