Haplustolls are on flood plains. Argiustolls and Haplustalfs are on smooth uplands in northern areas of the Section. Soil temperature regime is thermic, moisture regime is ustic, and mineralogy is montmorillonitic, mixed, or carbonatic. Potential Natural Vegetation. Forest cover consists of post, live, and blackjack oaks, and pignut and mockernut hickories.
Grasses consist of big and little bluestems, indiangrass, and sunflower.
The turkey, bobwhite, and mourning dove are game birds in various parts of this Section. The herpetofauna include the box turtle, common garter snake and timber rattlesnake. The growing season lasts 190 to 235 days. Surface Water Characteristics. This Section has a low to moderate density of perennial streams and associated rivers, mostly with low to moderate rates of flow and moderate velocity.