Missouri River: Difference between revisions
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The river was one of the main routes for the westward expansion of the United States during the 19th century. The growth of the fur trade in the early nineteenth century laid much of the groundwork as trappers explored the region and blazed trails. European pioneers headed west ''en masse'' beginning in the 1830s, first by covered wagon, then by the growing numbers of steamboats that entered service on the river. Conflict between settlers and Native Americans in the watershed led to some of the most longstanding and violent of the wars between European settlers and Native American groups. | The river was one of the main routes for the westward expansion of the United States during the 19th century. The growth of the fur trade in the early nineteenth century laid much of the groundwork as trappers explored the region and blazed trails. European pioneers headed west ''en masse'' beginning in the 1830s, first by covered wagon, then by the growing numbers of steamboats that entered service on the river. Conflict between settlers and Native Americans in the watershed led to some of the most longstanding and violent of the wars between European settlers and Native American groups. | ||
During the 20th century, the Missouri River basin was developed extensively for irrigation, flood control, and the generation of [[ | During the 20th century, the Missouri River basin was developed extensively for irrigation, flood control, and the generation of [[hydroelectric power]]. Fifteen dams wqere built along the river, with hundreds more on tributaries. Meanders were cut off and the river "channelized" (re-routed to make it straighter and deeper) to improve navigation, reducing its length by almost {{convert|200|mi|km}} from pre-development times. Although the lower Missouri River valley is now a populous and highly productive agricultural and industrial region, heavy development has taken its toll on wildlife and fish populations as well as water quality. | ||
== Provenance == | == Provenance == | ||
Revision as of 06:27, 5 July 2023
The Missouri River is the longest river in the United States.[1] It runs through the north central U.S., draining from Montana 2315 miles to the Mississippi River north of St. Louis. The Missouri River passes through a sparsely populated, semi-arid region that includes parts of ten U.S. states and two Canadian provinces. Although a tributary of the Mississippi, the Missouri River is slightly longer and carries a comparable volume of water. When combined with the lower Mississippi River, it forms the world's fourth longest river system.[1]
The river was one of the main routes for the westward expansion of the United States during the 19th century. The growth of the fur trade in the early nineteenth century laid much of the groundwork as trappers explored the region and blazed trails. European pioneers headed west en masse beginning in the 1830s, first by covered wagon, then by the growing numbers of steamboats that entered service on the river. Conflict between settlers and Native Americans in the watershed led to some of the most longstanding and violent of the wars between European settlers and Native American groups.
During the 20th century, the Missouri River basin was developed extensively for irrigation, flood control, and the generation of hydroelectric power. Fifteen dams wqere built along the river, with hundreds more on tributaries. Meanders were cut off and the river "channelized" (re-routed to make it straighter and deeper) to improve navigation, reducing its length by almost 200 mi (321.87 km) from pre-development times. Although the lower Missouri River valley is now a populous and highly productive agricultural and industrial region, heavy development has taken its toll on wildlife and fish populations as well as water quality.
Provenance
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Notes
- ↑ 1.0 1.1 Howard Perlman, USGS (October 31, 2012). Lengths of major rivers.