翻訳と辞書 Words near each other ・ American football in Israel ・ American football in Japan ・ American football in the Netherlands ・ American football in the United Kingdom ・ American football in the United States ・ American football in Western Pennsylvania ・ American Football Israel ・ American Football Kicking Hall of Fame ・ American Football League ・ American Football League (1926) ・ American Football League (1934) ・ American Football League (1936) ・ American Football League (1940) ・ American Football League (1944) ・ American Falls (disambiguation) ・ American Falls Dam ・ American Falls High School ・ American Falls, Idaho ・ American Family ・ American Family (2002 TV series) ・ American Family Ass'n v. City and County of San Francisco ・ American Family Association ・ American Family Business Institute ・ American Family Day ・ American Family Insurance ・ American Family Physician ・ American Family Planning ・ American Family Publishers ・ American Family Radio ・ American Fancy Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク American Falls Dam ： ウィキペディア英語版 American Falls Dam The American Falls Dam is a concrete gravity-type dam located near the town of American Falls, Idaho, on river mile 714.7 of the Snake River. The dam and reservoir are a part of the Minidoka Project on the Snake River Plain and are used primarily for flood control, irrigation, and recreation. When the original dam was built by the Bureau of Reclamation, the residents of American Falls were forced to relocate three-quarters of their town to make room for the reservoir. A second dam was completed in 1978 and the original structure was demolished. Although the dam itself is located in Power County, its reservoir also stretches northeastward into both Bingham County and Bannock County. ==Geology== A lava dam created a broad shallow lake in the area of the Raft River during late Pliocene time, over one million years ago. Much of the basin filled with fine sand, silt, and gravel; then the dam was breached and the lake drained. These sediments (called the Raft Formation) lie beneath most of the present-day American Falls Reservoir. At other times the Snake River was dammed completely by basalt flows extruded from vents. One lava dam a few miles downstream from the present American Falls Dam formed a reservoir in which more than of sediments (clay, silt, and sand) were deposited. This series of basalt flows and original sediments were covered by the new lake bed sediments and are named the Snake River Group and the American Falls Lake Beds. These events occurred up until the late Pleistocene, less than one million years ago. The Snake River has continued to erode its channel in the basalt and modify the lake bed sediments until the present time. 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「American Falls Dam」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.