UPDATE – M&N Main Line – Schwartzburg to Hilbert New information and photographs of Plymouth, Wis., have been added to the Milwaukee & Northern main line from Schwartzburg Junction to Hilbert Junction page. The former M&N main line at Plymouth, Wis., on 13 March 2021. Photograph by Tom Bruss.A WSOR train passes the former MILW and C&NW depots at Plymouth, Wis., on 13 March 2021. Photograph by Tom Bruss. Previous image Next image You Might Also Like UPDATE – Main Line – Fort Howard to Menominee River and Reminders of Same October 30, 2022 NEW – Reminders of the Main Line – Hilbert Junction to Green Bay October 9, 2022 UPDATE – Reminders of the Main Line – Hilbert Junction to Green Bay November 5, 2022