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 W&S (or WSOR) train passes the former MILW and C&NW depots at Plymouth, Wis., on 13 March 2021. Photograph by Tom Bruss. You Might Also Like UPDATE – Reminders of the M&N – Schwartzburg Junction to Hilbert Junction July 18, 2025 UPDATE – Reminders of the Menasha and Neenah Branches September 26, 2025 NEW – Reminders of the Menominee Branch June 7, 2020