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Data sets Publications Expeditions Thesaurus
Columbia River  search
RTBritish Columbia
 Cowlitz River
 Deschutes River
 Grand Coulee Dam
 Oregon
 Snake River
 Washington
 Willamette River
SNRises in SE British Columbia and flows S and then W into the Pacific Ocean on the Oregon-Washington border. Also search Columbia AND appropriate area. Indexed with British Columbia and/or states as applicable.
Columbia River Basalt  search
USEColumbia River Basalt Group
Columbia River Basalt Group  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Neogene
 ....Miocene
 .....Columbia River Basalt Group
UFColumbia River Basalt
RTPliocene
 Idaho
 Washington
 Oregon
 Picture Gorge Basalt
 Yakima fold belt
 Frenchman Springs Member
 Grande Ronde Basalt
 Saddle Mountains Basalt
 Wanapum Basalt
 Yakima Basalt
SNMiocene. The Columbia River Basalt was formerly also considered Pliocene (?). N Idaho, Oregon, and Washington. Has been divided into the Yakima Basalt (subgroup) containing the Wanapum Basalt, the Grande Ronde Basalt, and the Saddle Mountains Basalt; and
Columbia River basin  search
UFColumbia Basin
RTIdaho
 Utah
 Wyoming
 Montana
 Washington
 North America
 British Columbia
 Nevada
 Oregon
 Channeled Scabland
SNDrainage basin. Indexed with North America or British Columbia and/or states as applicable.
Columbia River estuary  search
BTUnited States
 .Columbia River estuary
RTWashington
 Oregon
SNTidal mouth of the Columbia River. Indexed with counties or regions as applicable.
Columbia River plateau  search
USEColumbia Plateau