The name "Oregon" is believed to have originated from a 1765 map that labeled the area as "Ouragon," a term possibly derived from a Native American word for "river" or "beautiful water."
The name of the fort near the mouth of the Columbia River is Fort Columbia. It is located in Washington state and was originally built to defend the entrance to the Columbia River from potential threats.
Three us states that west of longitude 120 degrees w are : Washington ( state) Oregon California
A mountain range that separates river systems traveling in opposite directions is called a "continental divide." This geographical feature delineates the watershed areas, where water on one side flows toward one ocean or sea, while water on the other side flows toward another. The most well-known example in North America is the Continental Divide of the Americas.
The plane that separates the mouth into a maxillary and mandibular section is called the occlusal plane.
Colombia River
The Columbia river.
The Columbia River.
Columbia river
Colorado river smart one
The Columbia River forms a major part of the border between the states of Oregon and Washington.
The Columbia River.
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The Columbia River forms a border between the states of Washington and Oregon.
the Ohio river
Oregon is a state in the Western United States. The origin of the name is not known for sure. It may have been derived from a 1715 French map which refers to the Wisconsin River as "Ouaricon-sint" or the name "Oregon" may come from an English army officer's proposal for a trip in 1765, in which he refers to "the River called by the Indians Ouragon." Oregon was admitted as the 33rd state on February 14, 1859.