Sebbo loam - on a northwest facing concave 4 percent slope in a cultivated field at an elevation of about 820 feet. Depth to the base of the argillic horizon ranges from 40 to 80 inches or more. Total sand content in any part of the control section is 52 percent or less. Coarse fragments are mainly sandstone channers, but some pedons have some angular chert gravel. Volume of sandstone channers and chert gravel ranges from 0 to 15 percent throughout.
Free carbonates are absent.
Reaction typically ranges from very strongly acid to slightly acid in the solum, but ranges to neutral in the upper part where the soil is limed. Reaction ranges from strongly acid to neutral in the substratum. Redox features are in the lower part of the series control section, and saturation occurs below 40 inches at some time in most years. The Ap horizon has value and chroma of 2 or 3. Value dry is less than 5.5.