| Concept definition: |
Soft <SOIL> of <<SOIL_TYPE_USCS>> "well-graded gravel", "poorly-graded gravel", "silty gravel", "clayey gravel", "silty sand", "clayey sand", "lean clay", "silt", "fat clay", "elastic silt", "organic silt", or "organic clay" and <<SOIL_CONE_INDEX>> about 35; type 5. |
