#branch.stream  a stream or river connected to a larger one
  supertype:  stream__watercourse  a natural body of running water flowing on or under the earth
  subtype:  billabong  a branch of a river running to a dead end
  subtype:  distributary  a branch of a river that flows away from the main stream and does not rejoin it
  subtype:  tributary__feeder__affluent  a branch that flows into the main stream

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