UPDATE – Main Line – Menominee River to Ontonagon Two new photographs and additional information have been added to the Main Line – Menominee River to Ontonagon page. MILW 314 (GP9) leads a 140-car taconite train south past the depot at Iron Mountain, Mich., on 2 March 1965. Photograph from The Milwaukee Road Magazine, March-April 1965, page 19.MILW 314 (GP9) leads a 140-car taconite train south as it nears Iron Mountain, Mich., on 2 March 1965. Photograph from The Milwaukee Road Magazine, March-April 1965, back cover. You Might Also Like NEW -Whiting Paper April 11, 2021 UPDATE – Reminders of the Main Line – Hilbert Junction to Green Bay April 23, 2023 Happy Birthday to the Milwaukee & Northern! February 24, 2021