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Little Mountain

Ecoregion on Cumberland Plateau, Appalachian Mountains in AL

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Little Mountain is a narrow, plateau-like ridge, five to ten miles wide, that parallels the Tennessee River. It is distinguished from the surrounding Eastern Highland Rim (71g) by its sandstone geology, more dissected and hilly topography, and more forest cover. It therefore has some similarities to ecoregion 68, although the elevation is lower and the Hartselle sandstone is Mississippian, not Pennsylvanian-age. The flatter, broad uplands of Little Mountain have mostly well-drained loamy soils and are often in pasture or cropland. The larger streams cut through the ecoregion, flowing from the Moulton Valley in 71g north to the Tennessee River. Some streams are diverted for irrigation and can be dry in their lower reaches in the summer

— EPA

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Ecoregion