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MLRA 56 - Red River Valley of the North
Minnesota, North Dakota, and South Dakota
41,230 km2 (15,920 mi2)
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Soils:
Most of the soils are Aquolls. They are deep, somewhat poorly drained and poorly drained, and sandy to clayey and have a frigid temperature regime. Calciaquolls (Bearden, Hegne, Glyndon, and Ulen series), Haplaquolls (Fargo series), and Haploborolls (Gardena and Embden series) are on the glaciolacustrine plains.