Kaufman, Tinn, and Ovan soils are on similar flood plain positions. Moderately well drained. Runoff is low on 0 to 1 percent slopes and medium on 1 to 3 percent slopes. Permeability is very slow. Flooding is common except where the soil is protected.
Most areas are in pasture or planted to crops such as cotton, corn, sorghums, or small grains.
Native vegetation is hardwood forest of elm, hackberry, oak, and ash. The series is extensive. Cambic horizon - the Bss horizon from 16 to 75 inches. Vertic properties - gilgai microrelief in undisturbed areas, slickensides at a depth of 16 to 75 inches, and cracks that remain open less than 90 cumulative days.