Minnesota Logging Railroads During the heyday of lumberjacks and sawmills, railroads such as the Duluth and Northern Minnesota and the Alger-Smith enabled logging companies to break away from the traditional mode of transportation (floating logs downriver) and its shortfalls (logjams and winter freezes). Frank King traces this rich history from its beginnings in 1886 to the railroads" disappearance around 1937 when the last of the giant sawmills closed down. King profiles every logging railroad in Minnesota and examines all aspects of their operations, including locomotives such as the geared Shays and Heislers, McGiffert log loaders, Russel log cars, dump trestles, hot ponds, logging ...