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Hello Maps-L readers!
 
For quite some time I have been an avid collector of maps dealing with
urban mass transportation networks--those systems of public
transportation in cities which include commuter rail lines, subways,
trolleys/trams/light rail, and buses/trolleybuses.  These range, of
course, from poster-size, colorful schematic diagrams of spider web-like
rapid transit lines to the common pocket-sized bus schedule with its
accompanying route map.
 
I would be interested to know of any libraries or collections out there
which "specialize" in this type of map, and would enjoy "meeting" others
who share in my interest.  Besides the transit authorities themselves, I
would also be interested to know in other sources for such maps.
 
Thank you!
 
Ryan S. Park
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