The C horizon has hue of 10YR, 7.5YR, or 5YR, value of 4 to 6 and 5 to 7 dry, and chroma of 3 to 6. It is loam, clay loam, fine sandy loam, sandy clay loam, channery loam, channery clay loam, and channery sandy clay loam. These are Atkinson, Ayr, Burchard, Calmar, Corwin, Cresco, Durand, Foresman, Friesland, Griswold, Hitt, Hochheim, Jasper, Joslin, La Rose, Linkville, Markesan, Mona, Morrill, Pana, Parr, Plattville, Ringwood, Rockton, Rotamer, Schoolcraft, Shelby, Symerton, Tippecanoe, Velma, Wea, and Winnebago series in the same family. All the above series except Calmar and Rockton soils lack a paralithic or lithic contact within a depth of 40 inches. Calmar and Rockton soils are underlain by hard limestone at depths less than 40 inches.
Sibleyville soils are on the crest and side slopes of uplands.
The slope gradient ranges from 1 to 12 percent. The soils formed in residuum weathered from sandstone and sandy and silty shale. The mean annual temperature ranges from 50 to 57 degrees F., and mean annual precipitation ranges from 30 to 40 inches. Thornthwaites Annual P-E Index ranges from 54 to 68. These are the Basehor , Elmont , Martin , Sogn , and Vinland soils.