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These cavities form an underground river that ultimately emerges on the surface at the town of Mammoth Spring, Arkansas. The emerging water forms a 10-acre spring pool that drains over a high stone dam. The spring generates a harmonic mean flow of about 9 m³/s (322 cubic feet per second). The water emerges at a constant 14 °C (58 °F).
The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the United States. As one of the world's largest aquifers, it underlies an area of approximately 174,000 sq mi (450,000 km 2) in portions of eight states (South Dakota, Nebraska, Wyoming, Colorado, Kansas, Oklahoma, New Mexico, and Texas). [1]
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“Right now what we’re seeing is a seasonal decline. Water levels are dropping as water is moving from the aquifer towards pumping centers, towards areas where a lot of water is being pumped ...
Some regions of Texas have already run out of water — and the rest face a looming crisis, the state’s agriculture commissioner said on Sunday. “We lose about a farm a week in Texas, but it ...
White River Drainage Basin. Mississippi River. White River. Arkansas Post Canal; La Grue Bayou; Big Creek; Cache River. Bayou De View; Bayou des Arc; Little Red River
Water flow in the Arkansas River (as measured in central Kansas) has dropped from approximately 248 cubic feet per second (7.0 m 3 /s) average from 1944–1963 to 53 cubic feet per second (1.5 m 3 /s) average from 1984–2003, largely because of the pumping of groundwater for irrigation in eastern Colorado and western Kansas.
Beaver Dam and its spillway and powerhouse.. Beaver Dam was authorized by the Flood Control Act of 1944 and other following acts. The United States Army Corps of Engineers constructed Beaver Dam during the years 1960–1966, impounding a major part of the White River and creating Beaver Lake and flooding much of the valley including the remains of the historic resort town Monte Ne.