For this week's A Northwoods Moment in History , Gary Entz tells us about the Soo Line Passenger Trains. The Minneapolis, St. Paul and Sault Ste. Marie Railroad, more commonly known as the Soo Line, formed in 1884 and became a significant part of Northwoods history. Although the company was primarily a freight railroad and was never one of the nation’s great passenger railroads. It nonetheless provided passenger service to the Northwoods with a branch of its Laker passenger train. The Soo Line