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  2. Columbia County, Oregon - Wikipedia

    en.wikipedia.org/wiki/Columbia_County,_Oregon

    The 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.

  3. File:Map of Oregon highlighting Columbia County.svg

    en.wikipedia.org/wiki/File:Map_of_Oregon...

    English: This is a locator map showing Columbia County in Oregon. For more information, see Commons:United States county locator maps. Date: 12 February 2006: Source:

  4. Columbia City, Oregon - Wikipedia

    en.wikipedia.org/wiki/Columbia_City,_Oregon

    Columbia City was founded in 1867 by Jacob and Joseph Caples. In 1870, the town had aspirations of becoming the terminus for Ben Holladay's Willamette Valley railroad. [6] The same year, Portland became the terminus of the west-side line, but the railroad never reached Columbia City. [6] Columbia City post office was established in 1871. [6]

  5. List of counties in Oregon - Wikipedia

    en.wikipedia.org/wiki/List_of_counties_in_Oregon

    Map Baker County: 001: Baker City: 1862: Eastern portion of Wasco County: Named in honor of Edward Dickinson Baker, who died in combat while serving as Oregon senator. 16,912: 3,068 sq mi (7,946 km 2) Benton County: 003: Corvallis: 1847: Polk County: Named for Thomas Hart Benton, senator and advocate of U.S. annexation of the Oregon Country ...

  6. Columbia River - Wikipedia

    en.wikipedia.org/wiki/Columbia_River

    The Columbia empties into the Pacific Ocean just west of Astoria, Oregon, over the Columbia Bar, a shifting sandbar that makes the river's mouth one of the most hazardous stretches of water to navigate in the world. [20] Because of the danger and the many shipwrecks near the mouth, it acquired a reputation as the "Graveyard of Ships". [21]

  7. Historic Columbia River Highway - Wikipedia

    en.wikipedia.org/wiki/Historic_Columbia_River...

    Early map of the Columbia River Highway, from Good Roads magazine, 1916 National Historic Civil Engineering Landmark, found near Multnomah Falls on the Columbia River Scenic Highway. The Columbia River Gorge is the lowest crossing of the Cascade Mountains, carved by the Columbia River during the Cascades' uplift. [5]

  8. List of regions of Oregon - Wikipedia

    en.wikipedia.org/wiki/List_of_regions_of_Oregon

    Columbia Plateau: Northeastern area around the Columbia River: Hermiston, Hood River, Pendleton, The Dalles, Milton-Freewater: Not available Area on the map highlighted in green. Partly in Washington. Columbia River Gorge: Parts of Multnomah, Hood River, and Wasco counties Hood River, The Dalles: Not available Eagle Valley: Eastern Baker County

  9. Columbia District - Wikipedia

    en.wikipedia.org/wiki/Columbia_District

    Map of the Columbia River and its tributaries showing modern political boundaries. In 1811 David Thompson was the first European to journey the entire length of the Columbia. The Columbia District was a fur-trading district in the Pacific Northwest region of North America, in both the United States and British North America in the 19th