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. You Might Also Like New – The Model Railroad June 22, 2020 UPDATE – Appleton Branch November 21, 2025 NEW – M&N High Cliff Spur March 21, 2021