UPDATE – M&N Main Line – Schwartzburg to Hilbert New information and photographs of Saukville, Wis., have been added to the Milwaukee & Northern main line from Schwartzburg Junction to Hilbert Junction page. WSOR train on the former M&N main line at Saukville, Wis., on 13 March 2021. Photograph by Tom Bruss.WSOR train on the former M&N main line at Saukville, Wis., on 13 March 2021. Photograph by Tom Bruss.The former M&N main line at Saukville, Wis., on 11 February 2021. Photograph by Tom Bruss.The former M&N main line at Saukville, Wis., on 11 February 2021. Photograph by Tom Bruss. You Might Also Like Railroad History Update February 16, 2020 UPDATE – Appleton Branch December 13, 2021 UPDATE – Main Line – Menominee River to Ontonagon June 29, 2022