About Derails

[John Swindler]

Jim Holland commented:

>  The 1946 and 1949 ERA maps of Pittsburgh show a multitude of derails. 
>Yes, the derail symbol is in the legend and it possible that such an item 
>could be a cartographers mistake  AND  it is possible that the derails on 
>the map are an all-time listing while most were not current. One shows on 
>Shiloh before the turn onto Grandview OB on the 40-Line but member Bob 
>Dietrich lived close to the area and he has no recollection of such.
>
>

At the risk of assuming, I'd "assume" cartographers mistake - and don't 
really like to even use that term for volunteer work - until one takes a 
look at track diagrams in the PTM library.  The answer is sitting in a file 
cabinet near Meadowlands.  No reason to speculate.

John

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