MLRA 58D - Northern Rolling High Plains, Eastern Part North Dakota and South Dakota 10,000 km2 (3,860 mi2)

Soils:
Most of the soils are Orthents, Orthids, Argids, and Borolls. They are medium textured to fine textured and mainly well drained and have a frigid temperature regime. Nearly level to steep, shallow Torriorthents (Blackhall and Cabbart series) and nearly level to steep, moderately deep Camborthids (Twilight series) are on uplands. Nearly level to moderately sloping, deep and moderately deep Natrargids (Absher, Archin, Bullock, and Parchin series) are on alluvial fans, terraces, and uplands. Nearly level to strongly rolling, moderately deep and deep Argiborolls (Assinniboine, Evanston, and Marmarth series) are on uplands. Nearly level to rolling Torripsamments (Tusler and Zeona series) are on uplands. Torrifluvents (Glendive, Hanly, and Havre series) are on flood plains and low stream terraces.

12/16/98