> You can see these elevated lines crossing Northern Brooklyn in this map from 1949: https://www.nycsubway.org/perl/caption.pl?/img/maps/system_1948.gif https:/

> You can see these elevated lines crossing Northern Brooklyn in this map from 1949: https://www.nycsubway.org/perl/caption.pl?/img/maps/system_1948.gif https://www.nycsubway.org/perl/caption.pl?/img/maps/system_1... Using a Perl script to wrap a (non-animated) GIF of an old map. So much history in that one link.