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Oregon ( / ˈɒrɪɡən, - ɡɒn / ⓘ ORR-ih-ghən, -gon) [7] [8] is a state in the Pacific Northwest region of the United States. Oregon is a part of the Western United States, with the Columbia River delineating much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho.
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Oregon, constituent state of the United States of America. Oregon is bounded to the north by Washington state, from which it receives the waters of the Columbia River; to the east by Idaho, more than half the border with which is formed by the winding Snake River and Hells Canyon; to the south by Nevada and California, with which Oregon shares its mountain and desert systems; and to the west by the Pacific Ocean, which produces the moderate climate of Oregon’s western lands. The capital is Salem, in the northwestern part of the state.
Admitted to the union as the 33rd state on February 14, 1859, Oregon comprises an area of startling physical diversity, from the moist rainforests, mountains, and fertile valleys of its western third to the naturally arid and climatically harsh eastern deserts. Mountains, plateaus, plains, and valleys of different geologic ages and materials are arrayed in countless combinations, including such natural wonders as the Columbia River Gorge, Oregon Caves National Monument, Crater Lake National Park, the majestic snow-covered peaks of the Cascade Range, and the central Oregon “moon country” (lava fields that served as a training site for astronauts in the U.S. space program in the 1960s). The name Oregon is thought to be Native American in origin.
Oregon has nine major landform regions, of which the forest-blanketed Coast Range, which borders the Pacific Ocean from the Coquille River northward, is the lowest. Its elevations are generally below 2,000 feet (600 metres), but Mount Bolivar, east of Port Orford, reaches 4,319 feet (1,316 metres).
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The Klamath Mountains, which extend from California, lie south of the Coast Range and west of the Cascades. Composed of ancient resistant rocks, they have had a complicated geologic history. They are higher and more rugged than the Coast Range and lack the north-south orientation. The Rogue River, bisecting the area, provides the major drainage. Thick forests grow on these mountains, which also contain rich mineral deposits. Mount Ashland, which reaches 7,532 feet (2,296 metres), is the tallest peak in Oregon’s Klamath Mountains.
The Willamette valley is essentially an alluvial plain produced by burying stream-modified lowland with enormous quantities of sediments brought down by tributary streams from the bordering mountains. The low, hilly areas in the central and northern portions are composed of resistant rocks. This valley contains the prime land of the state, about one-tenth of its total acreage, and its soils support intensive agriculture.
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Oregon Country, a large region explored by Americans and the British (and generally known to Canadians as the Columbia District ); Oregon Territory, established by the United States two years after its sovereignty over the region was established by the Oregon Treaty; and. Oregon, a U.S. state since 1859.
Oregon became the 33rd state of the U.S. on February 14, 1859. Today, with 4.2 million people over 98,000 square miles (250,000 km2), Oregon is the ninth largest and 27th most populous U.S. state. The capital, Salem, is the third-most populous city in Oregon, with 175,535 residents. Portland, with 652,503, ranks as the 26th among U.S. cities.
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It is the ninth largest state in the United States. [1] Oregon's highest point is the summit of Mount Hood, at 11,249 feet (3,429 m), and its lowest point is the sea level of the Pacific Ocean along the Oregon Coast. [2] Oregon's mean elevation is 3,300 feet (1,006 m). Crater Lake National Park, the state's only national park, is the site of ...
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Oregon became the 33rd state of the U.S. on February 14, 1859. Today, with 4.2 million people over 98,000 square miles (250,000 km 2 ), Oregon is the ninth largest and 27th most populous U.S. state. The capital, Salem, is the third-most populous city in Oregon, with 175,535 residents. Portland, with 652,503, ranks as the 26th among U.S. cities.
13,200 BCE - Earliest evidence of human habitation in Oregon, discovered in 1938 at Fort Rock Cave in modern day Lake County. [1] 13,000-11,000 BCE - The Missoula floods inundate and scour large portions of the state along the Columbia River and in the Willamette Valley before entering the Pacific Ocean. 5,677 BCE - Mount Mazama suffers a major ...
