Penlaw silt loam - cultivated. Thickness of the solum ranges from 40 to 60 inches. Depth to fragipan ranges from 15 to 30 inches. Depth to bedrock ranges from 40 to 72 inches or more. Rock fragments of chert, weathered limestone, shale or rarely, sandstone range from 0 to 10 percent above the fragipan, from 0 to 30 percent in the fragipan and C horizon.
Reaction ranges from moderately acid to neutral throughout the soil.
The Ap horizon has hue of 10YR or 2.5Y, value of 4 or 5, and chroma of 2 or 3. Some pedons have a BA horizon. Texture is silt loam in the fine- earth fraction. The Bt horizon has hue of 10YR or 7.5YR, value of 5 or 6, and chroma of 2 through 8. Mottles with chroma of 2 or less are at depths of 8 to 18 inches.