Houcktown soils have a densic contact within 60 inches. Jugtown soils are more alkaline than moderately acid in the upper part of the argillic horizon. Nicely soils are deeper than 50 inches to the base of the argillic horizon. Tuscola soils are stratified in the lower part of the series control section. Vanlue soils have less than 2 percent rock fragments in the lower part of the argillic horizon.
Williamstown soils have rock fragments of dominantly limestone and crystalline lithology.
Competing series may change as they are updated to the 8th Edition of Keys to Soil Taxonomy. Bogart soils have more than 15 percent rock fragments in the middle part of the series control section. Conowingo soils have rock fragments of serpentine. Lehigh and Reaville soils have a lithic contact within 60 inches. Mount Lucas soils have rock fragments of diabase and quartzite.