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International Space Station
180 mm Photograph
Image credit:
Image Science and Analysis
Laboratory, NASA Johnson Space Center (http://eol.jsc.nasa.gov)
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U.S. SILICA CORP. NORTH QUARRY, MILL CREEK
34.23N, 96.48 W
The link is to a listing of mines and
minerals in Oklahoma.
Note: The images do not do the sample
justice. This has to be the purest white I have ever seen in
a sand.
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