Image:MountDouglas.jpg

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At the summit of 2,135-m (7,005 ft)-high Mount Douglas volcano on the northeastern tip of the Alaska Peninsula is a warm and highly acidic crater lake approximately 160 m (525 ft) wide. Photograph by C. Neal, U.S. Geological Survey, June 4, 1990.

Source: http://geopubs.wr.usgs.gov/dds/dds-40/

Public domain 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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Date/TimeDimensionsUserComment
current10:25, 20 January 20051,024×696 (166 KB)GarciaB (Mount Douglas, Alaska)
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