The Dunkirk, Allegheny Valley and Pittsburgh Rail Road Co. family tree

 
  Dunkirk, Warren and Pittsburgh Rail Road Co.   3/1867
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Conewango Valley Rail Road Co.   140v   3/1870
140cru 140hvd 140clu  
  The Dunkirk, Warren and Pittsburgh Railway Co.   5/1870
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  140v   Warren and Venango Rail Road Co. 10/1871
  140v   140v  
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  The Dunkirk, Allegheny Valley and Pittsburgh Rail Road Co.   1/1873
  140v  
  140v  
 
The New York Central Railroad Co. (of 1914)
   12/1914
Source: World Wide Web
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