Alifols, Mollisols, and Aridisols form an east to west continuum in the north-central United States and southern Canadian prairies.

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Alifols, Mollisols, and Aridisols are three soil orders that are commonly found in the north-central United States and southern Canadian prairies. They form a continuum from east to west, with Alfisols dominating in the eastern part of the region, Mollisols in the central part, and Aridisols in the western part.

Alifols, Mollisols, and Aridisols Form an East to West Continuum