Hillsdale, IN depot. Chicago and Eastern Illinois (C&EI) Railroad (Frisco System) Old postcard view. See history below on the line see the following link. http://en.wikipedia.org/wiki/Chicago...inois_Railroad And a book on the Chicago and Eastern Illinois (C&EI) Railroad you can read on line. http://books.google.com/books?id=4ns...&cad=0#PPP1,M1