Reaction is very strongly acid in unlimed areas, and ranges to slightly acid in limed areas. Bt part has hue of 10YR or 7.5YR value of 5 or 6 and chroma of 4 to 6. It is silt loam or silty clay loam. E part has hue of 10YR or 2.5Y, value of 5 to 7, and chroma of 1 or 2. It is silt loam, and as a whole this part averages from 24 to 32 percent clay and 5 to 12 percent sand.
Reaction is very strongly acid or strongly acid.
Reaction ranges from moderately acid to very strongly acid. It is commonly loam, and less commonly clay loam. Reaction is slightly acid or neutral. There are no competing series. Vigo soils are on broad summits of till plains.