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John Day River

45°43′57″N 120°38′57″V / 45.7326252°N 120.6492244°V / 45.7326252; -120.6492244
John Day River
River
John Day River ved Clarno.
John Day River ved Clarno.
Etymologi: John Day, en pelsjæger og -handler [1]
Land USA
Delstat Oregon
Bifloder
 - venstre South Fork John Day River
 - højre North Fork John Day River
Udspring Strawberry Mountains
 - sted Malheur National Forest, Grant County
 - højde 2.036 moh
 - koord. 44°14′44″N 118°33′08″V / 44.245439°N 118.5521617°V / 44.245439; -118.5521617
Udmunding Columbia River
 - koord. 45°43′57″N 120°38′57″V / 45.7326252°N 120.6492244°V / 45.7326252; -120.6492244
Længde 457 km[2][3]
Afvandingsomr. 20.720 km²[3]
Vandføring
 - middel 59 /s[4]
John Day Rivers afvandingsområde.
John Day Rivers afvandingsområde.
John Day Rivers afvandingsområde.
Wikimedia Commons: John Day River

John Day River er en 452 kilometer lang flod, som løber gennem den nordlige og nordøstlige del af staten Oregon i USA og afvander et 20.720 km² stort område. John Day River munder ud i Columbia River på grænsen til staten Washington. Den har to større bifloder – North Fork og South Fork. Hvor floden munder ud i Columbia River, ligger John Day-dæmningen. Langs floden er der gjort store fund af fossiler.

John Day River ved Sheep Rock i John Day Fossil Beds nationalmonument.

Eksterne kilder/henvisninger

[redigér | rediger kildetekst]
  1. ^ Topinka, Lyn. "John Day River, Oregon". Columbia River Images. Hentet 6. juli 2013.
  2. ^ "John Day River". Oregon Environmental Council. Arkiveret fra originalen 4. maj 2013. Hentet 6. juli 2013.
  3. ^ a b "John Day Subbasin Plan", p. 18
  4. ^ "Water-Data Report 2012: 14048000 John Day River at McDonald Ferry, OR" (PDF). U.S. Geological Survey. Hentet 6. juli 2013.


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John Day River
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