These are the Blakeslee , El Dara , Funkstown , Kidami , Miami , Moon , Octagon , Pevely , Rainsville , Rawson , Shawtown , and Wapahani series. All of these soils have hue yellower than 5YR in the upper part of the series control section. Competing series may change as they are updated to the 8th Edition of Keys to Soil Taxonomy. The Beech , Cadmus , Glenhall , Richland , and Summitville series have not been updated to the 8th Edition of Keys to Soil Taxonomy, but were competing series to Vaughnsville under previous taxonomic classification. All of these soils except Summitville have hue yellower than 5YR in the upper part of the series control section.
Summitville soils are more acid than slightly acid in the upper part of the argillic horizon.
The Vaughnsville soils are on beach ridges on lake plains of late Wisconsin age. Vaughnsville soils formed in 20 to 40 inches of loamy glaciolacustrine material and in the underlying fine or moderately fine textured till. Slope gradient is 0 to 6 percent. Elevation ranges from 600 to 800 feet. The frost-free period is 140 to 165 days.