Illite is the dominant clay mineral, but the soil contains small amounts of kaolinite, vermiculite, and interstratified minerals. The Ap horizon has hue of 2.5YR through 7.5YR, value of 3 or 4, and chroma of 2 through 4. Texture is silt loam in the fine-earth fraction. The B horizon has hue of 10R through 5YR, value of 4 through 6, and chroma of 3 or 4. It has mottles with hue of 2.5YR or 5YR, value of 5 or 6, and chroma of 2 through 8.
Texture is silt loam or silty clay loam in the fine-earth fraction.
The C horizon has hue of 10R to 5YR, value of 3 to 4 and chroma of 2 to 4. Fine earth texture is silt loam, loam or silty clay loam. The Bogart , Centerburg , Conowingo , Haney , Lehigh , Mount Lucas , Thackery , Tuscola , Vaughnsville , and Willimaston series are in the same family and all are greater than 40 inches to bedrock. Reaville soils are on interfluves with very little dissection. Slope ranges from 0 to 15 percent.