UPDATE – M&N Main Line – Schwartzburg to Hilbert A couple of photographs of Cedarburg, Wis., have been added to The Milwaukee & Northern Main Line from Schwartzburg Junction page. The former M&N main line at Cedarburg, Wis., on 11 February 2021. Photograph by Tom Bruss.The former M&N main line at Cedarburg, Wis., on 13 March 2021. Photograph by Tom Bruss. Previous Next You Might Also Like NEW – Iron Mountain Iron Ore September 27, 2021 UPDATE – Our 2022 Open House December 4, 2022 UPDATE – Main Line – Menominee River to Ontonagon August 1, 2022