Английская Википедия:Fifteenmile Creek (Columbia River tributary)

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Шаблон:Infobox river

Fifteenmile Creek is a Шаблон:Convert long[1] tributary of the Columbia River in the U.S. state of Oregon. It drains Шаблон:Convert of Hood River and Wasco counties. Arising in the Cascade Range near Mount Hood, it flows northeast then west to its confluence with the Columbia near The Dalles.

It was named "fifteenmile" because in pioneer days the main road crossed the creek about Шаблон:Convert from The Dalles.[2]

Course

Fifteenmile Creek's headwaters are near Lookout Mountain in the Cascade Range, east of Mount Hood. It flows northeast, crossing into Wasco County and gathering small tributaries such as Ramsey Creek and Pine Creek. Traveling through the city of Dufur, the creek is crossed by Highway 197. Fifteenmile Creek receives Dry Creek on the right downstream of Dufur, turning north. It then flows west, receiving Eightmile Creek on the left while paralleling the Columbia River. The creek is crossed by Interstate 84/Highway 30 just before its mouth. It flows into the Columbia approximately Шаблон:Convert above its confluence with the Pacific Ocean.[3]

Watershed

Fifteenmile Creek drains Шаблон:Convert of the Columbia Plateau region of Oregon.[4] Fifteen percent of the watershed is located in Mount Hood National Forest and therefore owned by the United States Forest Service, while the remaining eighty-five percent is privately owned.[4][5] Elevations in the watershed range from Шаблон:Convert at the summit of Lookout Mountain to Шаблон:Convert at the creek's mouth.[6][5]

Fish

Several species of anadromous fish inhabit streams in the watershed, including steelhead, Pacific lamprey, chinook and coho salmon.[4][5] Fifteenmile Creek is the easternmost tributary of the Columbia home to winter steelhead.[5] Fifteenmile Creek coho salmon populations are within the Lower Columbia River Coho Evolutionary Significant Unit and are listed as threatened (2011).[7] Populations have declined in recent years, due to a combination of overfishing, an increase of hydroelectric dams, and general worsening of habitat conditions.[4]

See also

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References

Шаблон:Reflist

External links

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  1. ↑ Ошибка цитирования Неверный тег <ref>; для сносок NHD не указан текст
  2. ↑ Шаблон:Cite Oregon Geographic Names
  3. ↑ Шаблон:Cite map
  4. ↑ 4,0 4,1 4,2 4,3 Ошибка цитирования Неверный тег <ref>; для сносок Aquatic не указан текст
  5. ↑ 5,0 5,1 5,2 5,3 Шаблон:Cite web
  6. ↑ Ошибка цитирования Неверный тег <ref>; для сносок GNIS не указан текст
  7. ↑ Шаблон:Cite web
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