Texture is silt loam, loam, clay loam, silty clay loam, or silty clay. Coarse fragments range from 0 to 5 percent gravel. The Bw horizon has hue of 10YR or 7.5YR, value of 5 to 7, and chroma of 2 to 4. Texture is clay loam, silty clay loam or silty clay. The Bk horizons have hue of 10YR to 5YR, value of 5 to 8, and chroma of 2 to 6.
Texture is clay loam, silty clay loam, or silty clay.
These are the Alama and Riveroad series in the same family. Similar soils are the Copita , Hoban , Midessa , Model, and Reagan series. Alama soils have less than 15 percent calcium carbonate in the control section. Riveroad soils do not have Bk horizons. Copita soils have fine-loamy control sections and have mean annual soil temperature of more than 72 degrees F. Hoban, Midessa, and Reagan soils have calcic horizons within 40 inches of the surface.