PARAMETERS
  BOUNDS PERMEABILITY 0.d0 1.d-5 # should be overridden by the BOUNDS below
  PARAMETER
    NAME PERMEABILITY
    MATERIAL soil1
    BOUNDS 1.d-17 1.d-7
  /
  PARAMETER
    NAME PERMEABILITY
    MATERIAL soil2
    BOUNDS 2.d-17 2.d-7
  /
/
