The Rogue River in southwestern Oregon in the United States flows 215 miles (346 km) generally westward, from the Cascade Range to the Pacific Ocean. With salmon runs, whitewater rafting, and rugged scenery, it was one of the original eight rivers designated for protection by the Wild and Scenic Rivers Act of 1968. Beginning near Crater Lake, which occupies the caldera left by the explosive volcanic eruption of Mount Mazama, the river flows through the geologically young High Cascades, the older Western Cascades, and the ancient Klamath Mountains. The Kalmiopsis Wilderness section of the Rogue basin contains peridotite rocks from the Earth's mantle. Near the mouth of the river, dinosaur fragments were found in the Otter Point Formation. European explorers made first contact with local Native Americans toward the end of the 18th century and began beaver trapping. Clashes between the natives and the trappers and later between the natives and European-American miners and settlers culminated with the Rogue River Wars of 1855 and 1856. (Full article...)
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