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  2. Columbia River - Wikipedia

    en.wikipedia.org/wiki/Columbia_River

    As river development continued in the 20th century, each of these major fishing sites was flooded by a dam, beginning with Cascades Rapids in 1938. The development was accompanied by extensive negotiations between natives and US government agencies.

  3. Missoula floods - Wikipedia

    en.wikipedia.org/wiki/Missoula_floods

    These floods were the result of periodic sudden ruptures of the ice dam on the Clark Fork River that created Glacial Lake Missoula. After each ice dam rupture, the waters of the lake would rush down the Clark Fork and the Columbia River, flooding much of eastern Washington and the Willamette Valley in western Oregon. After the lake drained, the ...

  4. Space Shuttle Columbia disaster - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_Columbia...

    Columbia was the first orbiter, and it had a unique flight data OEX (Orbiter EXperiments) recorder to record vehicle performance data during the test flights. The recorder was left in Columbia after the initial Shuttle test-flights were completed, and began recording information 15 minutes prior to reentry. The tape it recorded to was broken at ...

  5. Bonneville flood - Wikipedia

    en.wikipedia.org/wiki/Bonneville_flood

    Its waters eventually reached the Pacific Ocean via the Columbia River. [ 9 ] A 2020 hypothesis presented evidence that Lake Bonneville achieved a stable outflow for possibly a thousand years leading up to the Bonneville Flood and then a massive, multi-segment earthquake on the Wasatch Fault caused surging and tsunami in Lake Bonneville with a ...

  6. Columbia River drainage basin - Wikipedia

    en.wikipedia.org/wiki/Columbia_River_drainage_basin

    The Columbia River pours more water into the Pacific Ocean than any other river in North or South America. In its 1,270 miles (2,040 km) course to the Pacific Ocean, the Columbia flows through four mountain ranges—the Rockies , Selkirks , Cascades , and coastal mountains—and drains 258,000 square miles (668,000 km 2 ).

  7. Columbia River Basalt Group - Wikipedia

    en.wikipedia.org/wiki/Columbia_River_Basalt_Group

    The Columbia River Basalt Group (including the Steen and Picture Gorge basalts) extends over portions of four states. The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt provinces on Earth, covering over 210,000 km 2 (81,000 sq mi) mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada. [1]

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  9. Bridge of the Gods (land bridge) - Wikipedia

    en.wikipedia.org/wiki/Bridge_of_the_Gods_(land...

    The debris slid into the Columbia Gorge close to modern-day Cascade Locks, Oregon, blocking the Columbia River with a natural dam approximately 200 feet (61 m) high and 3.5 miles (5.6 km) long. The impounded river formed a lake and drowned a forest of trees for about 35 miles (56 km).