User:Mitchazenia/refs


 * 1924 route numbering:


 * 1930 renumbering (NYT):


 * 1930 renumbering (Green Book):


 * 1930 Pennsylvania State Map:


 * 1935 Sunoco map:


 * 1938 Green Book:


 * 1940 Pennsylvania State Map:


 * 1947 Rochester topo:


 * 1947-48 SNYDPW map:


 * 1948 Elmira topo:


 * 1950 Pennsylvania State Map:


 * 1952 Sunoco map:


 * 1960 Pennsylvania State Map:


 * 1961 Rochester topo:


 * 1962 Esso map:


 * 1964 Sinclair map:

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 * 1970 Pennsylvania State Map:

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 * 1970 NY route log:

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 * 1977-78 Exxon map:

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 * 1980 Pennsylvania State Map:

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 * 1989 Pennsylvania State Map:

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 * 2004 NY route log:

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 * 2007 NY route log: