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Data layers portraying hydrogeomorphic evaluation of ecosystem restoration options for the Lower Missouri River Floodplain. Further information can be obtained at: http://www.fws.gov/midwest/planning/currentplans.html
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Tags: HGM,
LCC,
agriculture,
birds,
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The Bayou Meto Basin drains most of the Mississippi Alluvial Valley lowlands immediately north and east of the Arkansas River as well as part of the Grand Prairie. Bayou Meto and Bayou Two Prairie are the only major streams in the basin. The Bayou Meto Basin is the smallest of the four major basins in the Delta Region of Arkansas, comprising approximately 827,000 acres. There are three distinct geomorphic surfaces within the Bayou Meto Basin, although all are products of the Arkansas River and all are composed of features typical of meandering rivers, such as point bar, backswamp, natural levee, and abandoned channel deposits. The lowest and most recent surface is sometimes called the Arkansas Lowlands.Â...
REVISED JUNE 2013The St. Francis Basin lies in northeastern Arkansas and southeastern Missouri. This map includes only the Arkansas portion of the basin. The eastern boundary is defined by the mainstem Mississippi River levee, and the western boundary is Crowleyâs Ridge.  More than 2 million acres are included in the mapped area. The principal streams are the St. Francis, Tyronza, and Little Rivers. Within Arkansas, approximately half the St. Francis Basin is made up of recent (Holocene) meander belt deposits of the Mississippi River and smaller streams. These include poorly-drained backswamps, better-drained point bars, and well-drained natural levees. Abandoned channel segments form crescent-shaped...
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