These are the competing Conroe and Depcor series, and the Annona , Boy , Gunter , and Redco series. Annona soils have loamy surface layers, COLE of more than 0.09 and montmorillonitic mineralogy. Boy and Gunter soils have sandy surface layers more than 40 inches thick and loamy Bt horizons. Redco soils have gilgai microrelief and intersecting slickensides. Small areas are used for pastures or cultivated crops, main are in forest.
Native vegetation is loblolly and shortleaf pine, red oak, and other hardwoods.
Southern coastal plain area of Texas. Series is of moderate extent. Walker County, Texas, 1975. A study of the type location and a number of other areas mapped as Huntsburg showed that the soil contained less than 5 percent plinthite. It is reclassified in 1988.