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The Kanawha River ( or ) is a tributary of the Ohio River, approximately 97 mi (156 km) long, in the U.S. state of West Virginia. The largest inland waterway in West Virginia, it has formed a significant industrial region of the state since the middle of the 19th century. It is formed at the town of Gauley Bridge in northwestern Fayette County, approximately 35 mi (56 km) SE of Charleston, by the confluence of the New and Gauley rivers. It flows generally northwest, in a winding course on the unglaciated Allegheny Plateau, through Fayette, Kanawha, Putnam, and Mason counties, past the cities of Charleston and St. Albans, and numerous smaller communities. It joins the Ohio at Point Pleasant. Paleo-Indians, the earliest indigenous peoples, lived in the valley and the heights by 10,000 BC as evidenced by archaeological artifacts such as Clovis points. A succession of prehistoric cultures developed, with the Adena culture beginning the construction of numerous skilled earthwork mounds and enclosures more than 2000 years ago. Some of the villages of the Fort Ancient culture survived into the times of European contact. The area was a place of competition among historical American Indian nations. Invading from their base in present-day New York, the Iroquois drove out or conquered Fort Ancient culture peoples, as well as such tribes as the Huron and Conoy. By right of conquest, the Iroquois, Lenape (Delaware), and Shawnee reserved the area as a hunting ground. They resisted European-American settlement during the colonial years. The river valley contains significant deposits of coal and natural gas. In colonial times, the wildly fluctuating level of the river prevented its use for transportation. The removal of boulders and snags on the lower river in the 1840s allowed navigation, which was extended upriver after the construction of locks and dams starting in 1875. The river is now navigable to Deepwater, an unincorporated community about upriver from Charleston. A thriving chemical industry along its banks provides a significant part of the local economy. ==Tributaries== In addition to the New and Gauley River, the Kanawha is joined at Charleston by the Elk River, at St. Albans by the Coal River, and at Poca by the Pocatalico River. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Kanawha River」の詳細全文を読む スポンサード リンク
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