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〕 | mouth_elevation_imperial = 541 | mouth_elevation_note = 〔 | length_imperial = 62.3 | length_round = 0 | length_note = 〔 | watershed_imperial = 502 | watershed_round = 0 | watershed_note = | discharge_location = near Starbuck, from the mouth | discharge_round = 0 | discharge_imperial = 170 | discharge_note = | discharge_min_imperial = 15 | discharge_max_imperial = 7980 | discharge1_location = | discharge1_imperial = | discharge1_note = | map = | map_size = 300 | map_caption = | map_alt = | map1 = Washington Locator Map.PNG | map1_size = 300 | map1_caption = Location of the mouth of Tucannon River in Washington | map1_alt = | map1_locator = Washington | commons = }} The Tucannon River is a tributary of the Snake River in the U.S. state of Washington. It flows generally northwest from headwaters in the Blue Mountains of southeastern Washington to meet the Snake upstream from Lyons Ferry Park and the mouth of the Palouse River. The Tucannon is about long.〔(【引用サイトリンク】url=http://viewer.nationalmap.gov/viewer/ )〕 Part of the upper river flows through the Wenaha–Tucannon Wilderness. ==Watershed== The Tucannon basin of ranges in elevation from about above sea level at the mouth on the Snake River to about in the Umatilla National Forest of the Blue Mountains.〔 River flows in the Tucannon basin depend solely on precipitation and groundwater. Studies in the early 1990s suggested that these flows would not be able to meet all of the claims, public and private, on the water resources of the lower river. In particular, farm irrigation projects were competing with fisheries for limited water. The Washington Department of Ecology named the Tucannon basin a Watershed Resource Inventory Area {WRIA) and in 1995 began hearings about how to allocate the water. 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「Tucannon River」の詳細全文を読む スポンサード リンク
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