Yosemite National Park, California. Boulder still in place at the end of a broad trail or stripe.
Dates
Date Taken
1913
Summary
Yosemite National Park, California. Boulder still in place at the end of a broad trail or stripe. A small pad of sand grains arrested by the boulder kills the lichens as the boulder advances by imperceptible degrees. Length of the trail is 20 feet. The older portion is becoming dimmed by a new growth of lichens. Circa 1913.
Summary
Yosemite National Park, California. Boulder still in place at the end of a broad trail or stripe. A small pad of sand grains arrested by the boulder kills the lichens as the boulder advances by imperceptible degrees. Length of the trail is 20 feet. The older portion is becoming dimmed by a new growth of lichens. Circa 1913.
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