#Monongahela_River__Monongahela  a river that rises in northern West Virginia and flows north into Pennsylvania where it joins the Allegheny River at Pittsburgh to form the Ohio River
  supertype:  #river  a large natural stream of water (larger than a creek); "the river was navigable for 50 miles"
  part of:  #Pennsylvania__Keystone_State__PA  a Mid-Atlantic state; one of the original 13 colonies
     part of:  #Mid-Atlantic_states  a region of the eastern United States comprising New York and New Jersey and Pennsylvania and Delaware and Maryland
        part of:  #USA__United_States_of_America__United_States__America__US__U.S.__U.S.A.  North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
           part of:  #North_America  a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama
              part of:  #northern_hemisphere  the hemisphere north of the equator
              part of:  #western_hemisphere__westernhemisphere__occident__New_World  the hemisphere that includes North and South America
              part of:  #the_Americas__America  North and South America
  part of:  #West_Virginia__Mountain_State__WV  a state in east central United States
     part of:  #USA__United_States_of_America__United_States__America__US__U.S.__U.S.A.  North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776

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