User:Mackensen/Amtrak service in Pennsylvania

Harrisburg to Erie

 * http://news.google.com/newspapers?id=jXMlAAAAIBAJ&sjid=xfIFAAAAIBAJ&pg=1670,805297&dq=harrisburg+amtrak+erie&hl=en
 * http://www.multimodalways.org/docs/govts/states/PA/PAexec/PennDOT/PennDOT%20Harrisburg-Erie%20Amtrak%20Study%201-1977.pdf
 * http://news.google.com/newspapers?id=HXFiAAAAIBAJ&sjid=EHcNAAAAIBAJ&pg=4603,121714&dq=amtrak+williamsport&hl=en