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〕 | mouth_name = Sagavanirktok River | mouth_location = south of Prudhoe Bay〔 | mouth_district = | mouth_region = | mouth_state = | mouth_country = | mouth_note = | mouth_lat_d = 69 | mouth_lat_m = 29 | mouth_lat_s = 55 | mouth_lat_NS = N | mouth_long_d = 148 | mouth_long_m = 30 | mouth_long_s = 22 | mouth_long_EW = W | mouth_coordinates_note = 〔 | mouth_elevation_imperial = 538 | mouth_elevation_note = 〔 | length_imperial = 95 | length_round = 0 | length_note = 〔 | watershed_imperial = | watershed_round = 0 | watershed_note = | discharge_location = | discharge_imperial = | discharge_round = 1 | discharge_note = | discharge_max_imperial = | discharge_min_imperial = | discharge1_location = | discharge1_note = | map = | map_size = | map_caption = |map_alt = | map1 = Alaska Locator Map.PNG | map1_size = 300 | map1_caption = Location of the mouth of the Ivishak River in Alaska | map1_locator = Alaska |map1_alt = | commons = }} The Ivishak River is a tributary of the Sagavanirktok River in the North Slope Borough of the U.S. state of Alaska.〔 Fed by glaciers at the headwaters, the Ivishak flows northeast, then northwest, through the Philip Smith Mountains and the northern foothills of the Arctic National Wildlife Refuge. It enters the Sagavanirktok River on the coastal plain south of Prudhoe Bay.〔(【引用サイトリンク】url=http://www.rivers.gov/rivers/ivishak.php )〕 On December 2, 1980, of the Ivishak was designated a National Wild and Scenic River. The protected segments, including the headwaters, an unnamed tributary from Porcupine Lake, and all but the lowermost part of the main stem, lie within the wildlife refuge.〔 ==See also== *List of rivers of Alaska *List of National Wild and Scenic Rivers 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「Ivishak River」の詳細全文を読む スポンサード リンク
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