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Topic: Columbia River Plateau


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In the News (Wed 26 Jun 19)

  
  Columbia River - Wikipedia, the free encyclopedia
The Columbia River is a river situated in British Columbia and the Pacific Northwest of the United States.
Columbia River, Revelstoke, BC Columbia Lake forms the Columbia's headwaters in the Canadian Rockies of southern British Columbia.
The exterior river boat scenes from the 1994 film Maverick (Mel Gibson, Jodie Foster, and James Garner), were shot on the Columbia River, in the Columbia River Gorge, near the town of Hood River.
en.wikipedia.org /wiki/Columbia_River   (1438 words)

  
 Columbia River Flood Basalt Province, Idaho, Washington, Oregon, USA
The Paso Basin is near the confluence of the Columbia and Snake Rivers.
The Columbia River Flood Basalt Province forms a plateau of 164,000 square kilometers between the Cascade Range and the Rocky Mountains.
hot spots and the Yellowstone hot spot may have influenced magma generation for the Columbia River flood basalt but the vents were 300-400 km north of the hot spot track and the chemistry of the basalts suggest a source in the lithospheric mantle not the asthenosphere as expected for hot spot magmas.
volcano.und.nodak.edu /vwdocs/volc_images/north_america/crb.html   (705 words)

  
 Columbia River Plateau - Wikipedia, the free encyclopedia
The Washington towns of Spokane, Vantage, Yakima and Pasco, and the Oregon town of Pendleton, lie on the Columbia River Plateau.
The Columbia River Plateau lies across parts of the states of Washington, Oregon, and Idaho.
The ancient Columbia River was forced into its present course by the northwesterly advancing lava.
en.wikipedia.org /wiki/Columbia_River_Plateau   (274 words)

  
 Great River of the West   (Site not responding. Last check: 2007-11-06)
The image of water, the distances between rivers and lakes on the Columbia River Plateau, and the importance of a healthy environment to the prosperity of the people are intermixed with the cautionary image of prosperity as a result of responsible behavior toward the land.
The course of the rivers, their patterns of confluence, and their potential for trade all amounted to a geography of power in which the cumulative importance of a river system was most palpable at its estuary-where it joined the waters of the world.
Adopting a Euro-American viewpoint on the Columbia River as a causeway of extractive commerce, for example, reorders nearly all relationships with the river that were understood by native populations.
washingtonhistory.org /wshs/columbia/articles/0100-a3.htm   (5186 words)

  
 Columbia Basin - Wikipedia, the free encyclopedia
The Columbia Basin is the large area of Canada and the United States that is drained by the Columbia River.
It includes all or part of British Columbia, Montana, Utah, Idaho, Nevada, Oregon and Washington, and spans from the Rocky Mountains in the east to the Pacific Ocean in the west.
The dry flat region at is centre is known as the Columbia River Plateau.
en.wikipedia.org /wiki/Columbia_Basin   (119 words)

  
 Washington State Plateau Region Group Tours.
It is the second largest basalt plateau in the world, but the term "plateau" belies the dramatic cliffs and canyons carved by ice age floods.
The Columbia River is the greatest source of energy among all the rivers of America and the Grand Coulee Dam harnesses that energy.
The Columbia River Plateau is the geographic heart of Washington.
www.washingtonstatetours.com /plateau.asp   (455 words)

  
 [No title]
Rivers west of the divide, such as the Columbia, flow through the region's topography and toward the Pacific Ocean.
In short, the Columbia River Basin is an essential reason for the Northwest being a dynamic and highly prosperous region within the nation and the world.
For the Columbia River Basin, the need for reservoir space to help reduce the risk of flooding is most important during two seasons of the year: in winter, when there are rain-induced floods, and in the spring and early summer, when there are floods from snowmelt and rain.
www.fwee.org /c-basin.html   (2885 words)

  
 Columbia River Gorge NSA - Current Conditions
Columbia River basalt is a volcanic rock composed of the fl mineral--pyroxene and a white mineral--plagioclase.
The Columbia River basalt oozed in large quantities from fissures (figure 2) with moderately fluid magma.
The rivers and streams on highlands surrounding the plateau drained onto the plateau surface.
www.fs.fed.us /r6/columbia/forest/geology/index.shtml   (2446 words)

  
 Columbia River article
Within the United States, the river courses southwest and skirts one of the Columbia Plateau's massive lava flows, then it turns to the southeast, cutting a dramatic gorge in the volcanic shield to its junction with the westward flowing Snake River.
Recreation on the Columbia began early in the settlement era, with steamboat excursions up the Columbia from Portland, especially to the western end of the Columbia River Gorge.
The Columbia River first appeared on European maps in the early 17th century as "River of the West," when a Spanish maritime explorer Martin de Auguilar located a major river near the 42nd parallel.
www.ccrh.org /river/history.htm   (1914 words)

  
 HA 730-H Columbia Plateau regional aquifer system text
In the east-central parts of the plateau, the basalt sequence is relatively free of interbedded unconsolidated deposits, except for the interbed that separates the Wanapum Basalt and the Grande Ronde Basalt.
The Snake and Columbia Rivers are discharge areas for water that recharges the Wanapum Basalt near its periphery.
Near the Columbia River in Benton County, yields of 50 to 1,000 gallons per minute are obtained from 30- to 50-foot-deep wells that are completed in unconsolidated deposits.
capp.water.usgs.gov /gwa/ch_h/H-text9.html   (2269 words)

  
 Columbia Plateau Growers
Columbia Plateau Growers, Inc. (CPG) is a grower-owned Gilliam County cooperative dedicated to delivering high quality grain to the milling and baking industry.
Columbia Plateau Growers, Inc. recognizes that significant changes have taken place within Oregon agriculture, especially the wheat industry.
Columbia Plateau Growers, Inc. acknowledges the importance of establishing a vertically integrated system and joint ventures to create ownership from planting the crop to placing products on the grocery shelf.
www.columbiaplateauproducers.com   (222 words)

  
 Untitled Document   (Site not responding. Last check: 2007-11-06)
Moving east across the Cascade Mountains the natural barrier of the Columbia River is revealed.
This river separates the Columbia Plateau from the rest of Washington.
The Columbia River and its tributaries provide the water for this arid region as dams like the Grand Coulee, hold back its waters.
home.apu.edu /~bjlangley/columbia.htm   (212 words)

  
 The Columbia River Gorge and Early Emigrant Travel   (Site not responding. Last check: 2007-11-06)
For those who chose to continue from The Dalles down the Columbia River, the next 50 miles or so would be through one of the most scenic and geologically fascinating sections of their journey.
Needless to say, the present-day appearance of the Columbia River Gorge is largely the result of erosion caused by the massive volumes of water, laden with silt, sand, and boulders of all sizes, along with boulder-studded icebergs that poured through this gorge.
This section of the river became known as the Cascades of the Columbia River.
www.wshs.org /wshs/columbia/articles/0401-a1.htm   (3617 words)

  
 Columbia River @ nationalgeographic.com   (Site not responding. Last check: 2007-11-06)
Native to the Columbia, squawfish seem to have taken the taming of the river in stride.
With shoreside islands as their airbases, these sky divers raid the river for crustaceans and small fish, though they’ve been known to nosh on insects too.
Though the Columbia reservoirs flooded ancestral homes, fishing spots, and hunting grounds of Native Americans, none of the water was allocated for their benefit.
www.nationalgeographic.com /earthpulse/columbia/gallery1.html   (823 words)

  
 Park History
Basalt pillows are common throughout the Columbia River Plateau where the molten basalt lava had flowed into a watery environment.
Ancient lakes, rivers and glacial-age floods hosted emplacement of relatively large volumes of sediments and sedimentary rocks at and near the Palisades according to earlier reports.
Layers of ancient, fine-grained basaltic rock of the Columbia River Plateau accumulated at the Palisades.
www.palisadesnw.com /history.php?hist_id=6   (1508 words)

  
 CVO Website - Columbia Plateau and Columbia River Basalt Group
Along the Snake River in Idaho, and the Columbia River in Washington and Oregon, these lava flows are beautifully exposed and measure more than a mile in total thickness.
The Columbia Plateau province is enveloped by one of the worlds largest accumulations of lava.
The province underlain by the basalt is loosely termed the Columbia Plateau.
vulcan.wr.usgs.gov /Volcanoes/ColumbiaPlateau/description_columbia_plateau.html   (2570 words)

  
 Lewis and Clark's Columbia River - Maryhill Vicinity, Washington
Maryhill State Park is a 99-acre camping park located 12 miles south of Goldendale, Washington, and one mile north of the Columbia River on Highway 97.
In April 1806 on their return back up the Columbia, Lewis and Clark and most of their crew travelled by horse along the ridge of the Columbia Plateau, on the Washington side of the Columbia.
Clarks river is the Deschutes River, and the "range of Mountains" is the Cascade Range.
englishriverwebsite.com /LewisClarkColumbiaRiver/Regions/Places/maryhill_museum.html   (1622 words)

  
 Columbia Plateau Geography   (Site not responding. Last check: 2007-11-06)
Waterville is located on the Columbia Plateau, the second largest basalt plateau in the world.
The south county and west county produces apples, cherries, peaches and apricots, and borders on the Columbia River.
Parts of the plateau contain a soil known as löess, these soils are very fine and highly erosive but they are extremely productive.
www.tinynet.com /geol.html   (253 words)

  
 Columbia River Gorge Attractions Hotels And Lodging in Oregon
The Columbia River Gorge is a spectacular river canyon cutting the only sea-level route through the Cascade Mountain Range.
The Columbia Gorge is home to the Multnomah Falls is the second highest year-round waterfall in the United States.
There are two ways to get to the falls: Interstate 84 east, and the Columbia River Gorge Scenic Highway.
www.oregonreservations.com /columbiagorge/gorge.html   (288 words)

  
 Selected Bibliography, Washington Fieldtrip
Columbia Plateau and the Columbia River Flood Basalts
Bentley, R., 1977, Stratigraphy of the Yakima basalts and structural evolution of the Yakima ridges in the western Columbia Plateau, in Brown, E. and Ellis, R.C., eds., Geological excursions in the Pacific Northwest: Boulder, CO, Geol.
McKee, Bates, 1972, The Columbia Plateau, in Cascadia; the geologic evolution of the Pacific Northwest: New York, NY, McGraw-Hill, p.
www.library.uiuc.edu /gex/bibs/washstate.html   (6503 words)

  
 USGS Geology in the Parks
But most of the Snake River Plain volcanic rock is less than a few million years old, Pliocene age (5-1.6 million years ago) and younger.
However, the focus of volcanism at Yellowstone in the Columbia Plateau Province is far inland from the subduction zone that lies along the Oregon and Washington coast.
It is this molten lithosphere that becomes the basalt lavas that gush onto the surface to form the Columbia River and Snake River Plain basalts.
wrgis.wr.usgs.gov /docs/usgsnps/province/columplat.html   (740 words)

  
 Spokane Indian Tribe
Spokane means "children of the sun." The Spokane Tribe's reservation, bounded in the south by the Spokane River and in the west by the Columbia River, consists of 154,000 acres in eastern Washington on the Columbia River Plateau.
The Spokane Tribe of Indians' ancestors were the Spokan, a plateau people that shared numerous cultural traits with their neighbors.
Following the construction of Grand Coulee Dam on the Columbia River in central Washington (1939), salmon were prevented from migrating, thus disrupting the Spokane fishery.
www.u-s-history.com /pages/h1570.html   (1222 words)

  
 Meadow Alumroot   (Site not responding. Last check: 2007-11-06)
Meadow alumroot is an attractive perennial with erect stems arising from 40-100 cm in height from a mass of basal leaves atop a branched crown with short thick rootstocks.
Meadow alumroot may be found west of the Cascade summit from the Queen Charlotte Islands of British Columbia south to Douglas County, OR, and up the Columbia River Gorge.
Within the Columbia River Gorge, it may be found between the elevations of 400'-2000' on the Major Creek Plateau between the White Salmon River and Klickitat River.
ghs.gresham.k12.or.us /science/ps/nature/gorge/5petal/saxi/meadow.htm   (293 words)

  
 Online NewsHour: Power Pays -- July 16, 2001
LEE HOCHBERG: The Columbia River plateau in Washington state is high desert country, hot and dry, fields of sagebrush and parched hills.
For two generations, the river and its dams have been celebrated in song for powering ten aluminum smelters along its shores, smelters that have provided 9,000 of the region's best blue-collar jobs.
It's a far cry from the optimism and promise in river towns nearby that are producing power, and vivid example of the difference in the energy climate between those who have power and those who don't.
www.pbs.org /newshour/bb/environment/july-dec01/powerpays_7-16.html   (1362 words)

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