1898 biz district map lithograph with amazing detail

[Jeff Wingstrom]

Not sure this has been posted before .. press the Zoom button to access an amazing level of detail. No idea how accurate it is, but there's a ton of railroad stuff to look at:  http://www.greatchicagofire.org/item/ichi-14892

[Jsu]

Ha, oh wow that is really cool.  I like the "island" of swing bridges  at Kinzie St.