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Created page with "== Introduction == A canyon is a deep, narrow valley with steep sides, often carved from the landscape by the erosive activity of a river over geological time scales. These natural formations are significant in the study of Geomorphology, the scientific field concerned with the processes that shape the Earth's surface. Canyons are found on every continent and vary greatly in size, depth, and length. They are often characterized by their dramatic landscapes and uniqu..."
