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・ Lake Bernard
・ Lake Bernard Frank
・ Lake Bernhardsthal
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・ Lake Bess
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・ Lake Beulah, Wisconsin
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Lake Billy Chinook
・ Lake Billy Chinook Airport
・ Lake Bindegolly National Park
・ Lake Biograd
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・ Lake Bistineau State Park
・ Lake Biwa
・ Lake Biwa (album)
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Lake Billy Chinook : ウィキペディア英語版
Lake Billy Chinook

Lake Billy Chinook is a reservoir in Jefferson County in the U.S. state of Oregon. Created by the Round Butte Dam in 1964, Lake Billy Chinook lies in a canyon at the confluence of the Crooked, Deschutes, and Metolius rivers near Culver and Madras. It was named for Billy Chinook, a Native American of the Wasco tribe who traveled alongside American explorers John C. Frémont and Kit Carson in their expeditions of 1843 and 1844.〔("History of Lake Billy Chinook" ). Cove Palisades Resort and Marina. Retrieved January 11, 2014.〕

== Geology ==
The canyon in which Lake Billy Chinook lies was carved by the three rivers that flow into the lake. The Deschutes Formation into which it is carved began forming about 11 million years ago, as alternating layers of basaltic lava, stream sediment, and volcanic debris flowed into the area from the Cascade Range.〔 One to three million years ago, lava flows from the Cascades and Newberry Volcano capped the exposed material, forming the "rimrock basalt" which is visible atop the canyon. Further erosion by the three rivers, volcanic activity, and wind have continued to form and erode the canyon.〔("Lake Billy Chinook" ) (PDF). Oregon Parks and Recreation Department. Retrieved February 2, 2014.〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Lake Billy Chinook」の詳細全文を読む



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