Crockett soils are on slightly higher positions. Lufkin soils are on slightly concave and lower positions in the landscape. Moderately well drained. Permeability is very slow. Runoff is low on slopes less than 1 percent, medium on 1 to 3 percent slopes, and high on 3 to 5 percent slopes.
Internal drainage is very slow.
Extensively cultivated in the past, but now mostly in unimproved pasture. Some areas are farmed to cotton, grain sorghum, peanuts, and corn. Native vegetation is bunch grasses such as bluestems, Indiangrass, and Purple top. Common trees consist of post oak, blackjack oak, elm, and hackberry. Mainly in east central Texas.