#Ryan Socash #north shore line #chicago north shore and milwaukee railroad #chicago north shore and milwaukee #chicago #north shore #milwaukee #north shore railroad #shore #chicago railroading #north shore 761 #chicago transit authority #chicago aurora & elgin #north short line #749 #american architecture #usa architecture #american history #american heritage #it's history podcast #it's history #its history #it's history channel #usa history #chicago history #milwaukee history