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A river valley civilization is an agricultural nation or civilization situated beside and drawing sustenance from a river. A river gives the inhabitants a reliable source of water for drinking and agriculture. Some other possible benefits for the inhabitants are fishing, fertile soil due to annual flooding, and ease of transportation.
The early history of the Arkansas Valley in Colorado began in the 1600s and to the early 1800s when explorers, hunters, trappers, and traders of European descent came to the region. Prior to that, Colorado was home to prehistoric people , including Paleo-Indians , Ancestral Puebloans , and Late prehistoric Native Americans .
The Arkansas River Valley, also known as the Arkansas Valley, is a region in Arkansas defined by the Arkansas River in the western part of the state. Generally defined as the area between the Ozark and Ouachita Mountains, [1] the River Valley is characterized by flat lowlands covered in fertile farmland and lakes periodically interrupted by high peaks.
Archaeological digs reveal human habitation of the Connecticut River Valley for 6,000 years before present. [13] Numerous tribes lived throughout the fertile Connecticut River valley prior to Dutch exploration beginning in 1614. Information concerning how these tribes lived and interacted stems mostly from English accounts written during the 1630s.
The Pioneer Valley from space, with Springfield toward the bottom of the photo and Northampton-Amherst toward the top. The Pioneer Valley includes approximately half of the southern Connecticut River Valley—an ancient rift valley created by the breakup of the supercontinent Pangea along the Mid-Atlantic Ridge during the Triassic and Jurassic periods of the Mesozoic Era.
The Ohio River at Cairo is 281,500 cu ft/s (7,960 m 3 /s); [1] and the Mississippi River at Thebes, Illinois, which is upstream of the confluence, is 208,200 cu ft/s (5,897 m 3 /s). [66] The Ohio River flow is greater than that of the Mississippi River, so hydrologically the Ohio River is the main stream of the river system.
Menomonee River. The Menomonee Valley or Menomonee River Valley is a U-shaped land formation along the southern bend of the Menomonee River in Milwaukee, Wisconsin.Because of its easy access to Lake Michigan and other waterways, the neighborhood has historically been home to the city's stockyards, rendering plants, shipping, and other heavy industry.
It includes the river's confluence with the Guadiana Menor and the Genil. [4] The latter confluence is located between Palma del Río and Peñaflor. The lower course of the Guadalquivir runs from Palma del Río to the sea. [6] On its lower course, the Guadalquivir is joined by the river Corbonés and (from the north west) by the Rivera de ...