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Platte River Valley and Terraces

Ecoregion on Great Plains in WY, NE

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The North and South Platte Valley and Terraces region is part of the extensive Platte River system. Historically, large volumes of water from spring snowmelt would swell the river system, depositing silty and sandy alluvium in the floodplain. This runoff created the wide alluvial valley and associated terraces. Flood control and reservoir projects have regulated the spring flooding and now cropland agriculture with extensive irrigation is the predominant land use, especially along the North Platte. Crops include sugar beets, dry beans, corn, and potatoes, with alfalfa and forage crops more common in terraced areas.

— EPA

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