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
  instance of:  #range_of_mountains
  part of:  #East_USA
  part:  #Appalachia  an impoverished coal mining area in the Appalachian Mountains (from Pennsylvania to North Carolina)
  part:  #Alleghenies__Allegheny_Mountains  the western part of the Appalachian Mountains; extending from northern Pennsylvania to southwestern Virginia
  part:  #Blue_Ridge_Mountains__Blue_Ridge  a range of the Appalachians extending from Pennsylvania to northern Georgia
  part:  #Catskills__Catskill_Mountains  a range of the Appalachians west of the Hudson in southeastern New York; includes many popular resort areas
  part:  #Cumberland_Mountains__Cumberland_Plateau  the southwestern part of the Appalachians
     part:  #Cumberland_Gap  a pass through the Cumberland Mountains between Virginia and Kentucky that early settlers used in order to move west
  part:  #Great_Smoky_Mountains  part of the Appalachians between North Carolina and Tennessee

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