#cross_section__crosssection  a section created by a plane cutting a solid perpendicular to its longest axis
  supertype:  #plane_section__planesection__section  (geometry) the area created by a plane cutting through a solid
  subtype:  #profile.cross_section  a vertical section of the Earth's crust showing the different horizons or layers
     subtype:  #soil_profile  a vertical section of soil from the ground surface to the parent rock

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