Panoramic photograph of sample sites GF-38 and GF-39 on the Bear Island surface. Both outcrops are weathered and are separated by about 30 m (100 ft).
U.S. Department of the Interior
U.S. Geological Survey
URL: https:// pubs.usgs.gov /circ/2004/1264/html/trip6/fig20.html
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Last modified: 12:24:49 Wed 23 Nov 2016