Individual #Appalachians__Appalachian_Mountains  a mountain range in the eastern United States extending from Quebec to the Gulf of Mexico; a historic barrier to early westward expansion of the United States
  part:  Appalachia  Alleghenies  Blue_Ridge_Mountains  Catskills  Cumberland_Mountains  Great_Smoky_Mountains
  part of:  East_USA
  type:  range_of_mountains__range__mountain_range__chain__mountain_chain__chain_of_mountains  a series of hills or mountains; "the valley was between two ranges of hills"; "the plains lay just beyond the mountain range"

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