Highbank, Weswood and Yahola are in similar flood plain positions. Highbank soils have a loamy surface layer. Weswood soils have a coarse-silty control section. Yahola soils have a coarse-loamy control section. Moderately well drained.
Permeability is very slow.
Flooding occurs at intervals of once in 1 to more than 20 years except where protected. Mainly used as cropland. Crops include cotton, corn, grain sorghum, small grain, and some improved pastures of bermudagrass, johnsongrass, or small grain. Native vegetation includes big bluestem, little bluestem, indiangrass, switchgrass, Virginia wildrye, and beaked panicum. Adjacent to stream channels ash, elm, and pecan are the dominant trees.