#profile.cross_section  a vertical section of the Earth's crust showing the different horizons or layers
  supertype:  #cross_section__crosssection  a section created by a plane cutting a solid perpendicular to its longest axis
  subtype:  #soil_profile  a vertical section of soil from the ground surface to the parent rock
  part:  #horizon  a specific layer or stratum of soil or subsoil in a vertical cross section of land
  part:  #soil_horizon  a layer in a soil profile

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