UPDATE – Main Line – Menominee River to Ontonagon Two new photographs and additional information about the Rockland and Ontonagon depots have been added to the Main Line – Menominee River to Ontonagon page. A CMStP&P, or MILW, F7 A-B-A set at the Ontonagon, Mich., depot on 14 May 1977. Photograph courtesy of the Daily Mining Gazette Collection - Michigan Technological University Archives and Copper Country Historical Collections.The CM&StP, or MILW, depot at Rockland, Mich., ca. 1900. Photograph courtesy of the Roy Drier Collection - Michigan Technological University Archives and Copper Country Historical Collections. You Might Also Like Update to Contact Information January 31, 2020 Round Trip Ticket Price to Milwaukee in 1872 February 5, 2020 Railroad History Update February 16, 2020