WebThe Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains, cut through by the Columbia River Geology. During late Miocene and early ...

WebDuring the middle to late Miocene epoch, the Columbia River flood basalts engulfed about 163,700 km 2 (63,200 sq mi) of the Pacific Northwest, forming a large igneous province with an estimated volume of 174,300 km 3 (41,800 cu mi). Eruptions were most vigorous 17–14 million years ago, when over 99 percent of the basalt was released. Less extensive …

WebAveraging a major dam every 72 miles (116 km), the rivers in the Columbia watershed combine to generate over 36,000 megawatts of power, with the majority coming on the main stem. Grand Coulee Dam is the largest producer of hydroelectric power in the United States, [1] generating 6,809 megawatts, over one-sixth of all power in the basin.

WebThe Lewis and Clark Expedition traveled and camped along the Columbia River shore in the area later known as Columbia County in late 1805 and again on their return journey in early 1806. Columbia County was created in 1854 from the northern half of Washington County. Milton served as the county seat until 1857 when it was moved to St. Helens.

WebColumbia Británica o Colombia Británica [5] (en inglés, British Columbia; en francés, Colombie-Britannique), abreviada comúnmente como BC, es una de las diez provincias que, junto con los tres territorios, conforman las trece entidades federales de Canadá.Su capital es Victoria y su ciudad más poblada, Vancouver.Está ubicada al oeste del país, limitando …

WebIn geology and physical geography, a plateau (/ p l ə ˈ t oʊ, p l æ ˈ t oʊ, ˈ p l æ t oʊ /; French: ; pl. plateaus or plateaux), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. Often one or more sides have deep hills or escarpments. Plateaus can be …

WebIndigenous peoples of the Northwest Plateau, also referred to by the phrase Indigenous peoples of the Plateau, and historically called the Plateau Indians (though comprising many groups) are indigenous peoples of the Interior of British Columbia, Canada, and the non-coastal regions of the Northwestern United States.. Their territories are located in the …

WebThe Columbia River Gorge is a canyon of the Columbia River in the Pacific Northwest of the United States. Up to 4,000 feet (1,200 m) deep, the canyon stretches for over eighty miles (130 km) as the river winds westward through the Cascade Range, forming the boundary between the state of Washington to the north and Oregon to the south. …

WebThe Cariboo is an intermontane region of British Columbia, Canada, centered on a plateau stretching from Fraser Canyon to the Cariboo Mountains.The name is a reference to the caribou that were once abundant in the region.. The Cariboo was the first region of the interior north of the lower Fraser River and its canyon to be settled by non-indigenous …

WebCultus Lake is a lake, associated community and provincial park in the Fraser Valley region of British Columbia, Canada.It is the source of the Sweltzer River.The lake itself is warm, and the area has become a popular recreation destination with ample opportunities for fishing, water skiing, wind surfing, wakesurfing, kayaking, standup paddle-boarding and …

WebThe Ontong Java Plateau (OJP) is a massive oceanic plateau located in the southwestern Pacific Ocean, north of the Solomon Islands.The OJP was formed around (Ma) with a much smaller volcanic event around 90 Ma. Two other southwestern Pacific plateaus, Manihiki and Hikurangi, now separated from the OJP by Cretaceous oceanic basins, are of similar age …

WebThe Columbia Mountains are a group of mountain ranges along the upper Columbia River in British Columbia, Montana, Idaho and Washington.The mountain range covers 135,952 km² (52,491 sq mi). The range is bounded by the Rocky Mountain Trench on the east, and the Kootenai River on the south; their western boundary is the edge of the Interior …

WebThe Columbia River drainage basin is the drainage basin of the Columbia River in the Pacific Northwest region of North America.It covers 668,000 km 2 or 258,000 sq mi. In common usage, the term often refers to a smaller area, generally the portion of the drainage basin that lies within eastern Washington.. Usage of the term "Columbia Basin" in British …

WebGeography. West Columbia is located in western Brazoria County at (29.141513, –95.647016), about 2 miles (3 km) west of the Brazos Texas State Highway 35 leads east 13 miles (21 km) to Angleton, the county seat, and southwest 23 miles (37 km) to Bay City. Texas Highway 36 leads north 32 miles (51 km) to Rosenberg and southeast 23 miles (37 …