#Allegheny_River__Allegheny  a river that rises in Pennsylvania and flows north into New York and then back south through Pennsylvania again to join the Monongahela River at Pittsburgh which is the beginning of the Ohio River
  supertype:  river  a large natural stream of water (larger than a creek); "the river was navigable for 50 miles"
  part of:  New_York_State__New_York__Empire_State__NY  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:  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

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