Six Natural Divisions

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Entry Category: Six Natural Divisions - Starting with M

Mississippi Alluvial Plain

aka: Mississippi Delta
aka: Arkansas Delta
aka: Delta
aka: Mississippi River Delta
aka: Mississippi River Valley
The Mississippi Alluvial Plain (a.k.a. Delta) is a distinctive natural region, in part because of its flat surface configuration and the dominance of physical features created by the flow of large streams. This unique physiography occupies much of eastern Arkansas including all or parts of twenty-seven counties. The Alluvial Plain, flatter than any other region in the state, has elevations ranging from 100 to 300 feet above sea level. In Arkansas, the Alluvial Plain extends some 250 miles in length from north to south and varies in width from east to west from only twelve miles in Desha County to as much as ninety-one miles measured from Little Rock (Pulaski County) to the Mississippi River. The work of large rivers …