Satellite image of <a href="https://en.wikipedia.org/wiki/Black_Canyon_of_the_Gunnison_National_Park" class="extiw" title="w:Black Canyon of the Gunnison National Park">w:Black Canyon of the Gunnison National Park</a>, Colorado, USA.
Jesse Allen, NASA Earth Observatory, using data obtained courtesy of the University of Maryland’s Global Land Cover Facility.
2000-09-12
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