William Henry Jackson, 1869. A study among the rocks of Echo...
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William Henry Jackson, 1869. A study among the rocks of Echo Canyon. (United States Geological Survey.)
Transcript of William Henry Jackson, 1869. A study among the rocks of Echo...
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William Henry Jackson, 1869. A study among the rocks of Echo Canyon. (United States Geological Survey.)
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Gordon Bushaw for the Rephotographic Survey Project, 1978. Rocks, Echo Canyon, Utah.
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Kyle Bajakian and Toshi Ueshina for the Third View Project, 1997. Rocks, Echo Canyon, Utah.