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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.

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Data Owner :
U.S. Geological Survey

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mfe00092.jpg thumbnail 8.49 MB image/jpeg

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Additional Information

Identifiers

Type Scheme Key
name photoLibrary mfe00092
number photoLibrary 24079
batch photoLibrary btch196
number_in_book photoLibrary 92

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