links
For more information on various railroad organizations visit the Blackhawk Chapter link page:
https://www.blackhawkrailwayhistoricalsociety.org/connections.html
https://www.blackhawkrailwayhistoricalsociety.org/connections.html
To learn more about Chicago's railroad history visit the blog 'Player With Railroads':
http://chicagorails.blogspot.com/