UPDATE – Main Line – Schwartzburg to Hilbert One new historic photograph of the depot at Schwartzburg Junction has been added to our Main Line – Schwartzburg Junction to Hilbert Junction page. The MILW depot at North Milwaukee, Wis., circa 1908. Postcard from the MNRHS archives. You Might Also Like UPDATE – Main Line – Menominee River to Ontonagon January 30, 2025 UPDATE – Main Line – Menominee River to Ontonagon July 17, 2022 UPDATE – M&N Main Line – Schwartzburg to Hilbert February 14, 2021