Grand Canyon of the Yellowstone.
20th c American Topographical View
Oliver SEELY Jr.
(1939 - )
Yellowstone National Park. Wyoming. U.S.A.
This vallery is a classic example of a V-shaped valley cut by rapid downcutting by the river. The underlying volcanic rock, (tuff) is relatively soft and the cutting action was very rapid.
SEELY Oliver Jr. | Grand Canyon of the Yellowstone. | 1982 | American |
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