UPDATE – Main Line – Menominee River to Ontonagon Two new photographs and additional information about the Sidnaw depot have been added to the Main Line – Menominee River to Ontonagon page. The former MILW/DSS&A union depot at Sidnaw, Mich., ca. 1910. Photograph purchased from the Burton Historical Collection, Detroit Public Library.The site of the former MILW/SOO union depot at Sidnaw, Mich., on 17 October 2021. Photograph by Tom Bruss. You Might Also Like NEW – Iron Mountain Iron Ore September 27, 2021 NEW – Reminders of the Menominee Branch June 7, 2020 UPDATE – Main Line – Schwartzburg to Hilbert May 14, 2023