#quarter_mile__quartermile__440_yards__440yard  a unit of length equal to a quarter of 1 mile
  supertype:  #linear_unit  a unit of measurement of length
  part of:  #statute_mile__statutemile__mile__stat_mi__land_mile__mi  a unit of length equal to 1760 yards
     part of:  #league.linear_unit  an obsolete unit of distance of variable length (usually 3 miles)

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