On May 11, 1792, a private American ship, Columbia Rediviva, under Captain Robert Gray from Boston became the first non-indigenous vessel to enter the river.
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Repeated basalt flows formed the area we know today as the Columbia Plateau of central Washington and Oregon. The great depression caused an inward slope from ...
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May 17, 2024 · The Boston trader Robert Gray sailed up the Columbia in 1792 and named it for his ship.
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Jan 20, 2021 · From 1840 to 1860, American overland migrants used the river to reach the Willamette Valley after striking the Columbia River at The Dalles, ...
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On May 12, 1792, the American Captain Robert Gray, became the first explorer to enter the Columbia River by crossing over the sandbar that blocked its mouth.
Geology. The Columbia River Gorge began forming as far back as the Miocene (roughly 17 to 12 million years ago), and continued to take shape through the ...
The dramatic landscape of the Columbia Gorge was formed by the Missoula Floods, a series of floods that occurred around 15,000 years ago, making the area's ...
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1792: On May 11 at about 4:30 a.m. Robert Gray discovers the Columbia River when he sails across the bar in his ship, the Columbia Rediviva, and then anchors ...
British Columbia later sold the first 30 years of the Canadian Entitlement to a consortium of utilities in the United States for $254 million, and used the ...
The Columbia was discovered in 1792 by Captain Robert Gray, a Boston trader who named the river after his boat. Lewis and Clark reached the river overland in ...
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