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The Arkansas Valley is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in the U.S. states of Arkansas and Oklahoma.It parallels the Arkansas River between the flat plains of western Oklahoma and the Arkansas Delta, dividing the Ozarks and the Ouachita Mountains with the broad valleys created by the river's floodplain, occasionally interrupted by low hills ...
Following is a list of dams and reservoirs in Arkansas. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).
Location of monitoring station Notes cu ft/s ... Source for all rivers except St. Francis is the "USGS Water-Data Report ... USGS Hydrologic Unit Map – State of ...
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.
The level III ecoregions in Arkansas are the South Central Plains (35), Ouachita Mountains (36), Arkansas Valley (37), Boston Mountains (38), Ozark Highlands (39), Mississippi Alluvial Plain (73), Mississippi Valley Loess Plains (74). (Compare to map of Level IV ecoregions.) This list of ecoregions in Arkansas provides an overview of ecoregions ...
Arkansas Valley may refer to: the floodplain and associated areas along the Arkansas River in Colorado, Kansas, Oklahoma, and Arkansas; Arkansas River Valley region ...
The following list contains lists of lakes and reservoirs in Arkansas by county. Swimming, fishing, and/or boating are permitted in some of Arkansas’s lakes, but not all. A lake is a terrain feature (or physical feature ), a body of liquid on the surface of a world that is localized to the bottom of basin (another type of landform or terrain ...
Aquifers of the United States Withdrawal rates from the Ogallala Aquifer.. This is a list of some aquifers in the United States.. Map of major US aquifers by rock type. An aquifer is a geologic formation, a group of formations, or a part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to groundwater wells and springs.