This is a plat map of Thomson Township in 1903, showing locations of Esko's Corner (Esko), Thomson Township Schools, Thomson Reservoir; pilings for the Minnesota & North Wisconsin Railroad bridge (popularly known as the Brooks-Scanlon line) still visible in the St. Louis River near the Highway 61 bridge in Scanlon, drawn in 1980 by J. Raymond Mattinen, (April 13, 1914 to September 18, 1987), a local historian and author of the first book of the history of Esko and Thomson Township. It was drafted from the official Carlton County tax rolls of 1903 and platted from the county soil map of 1905. Also shown are Elm Creek, Midway River, St. Louis River, Hay Creek, Crystal Creek, Village of Thomson, Northern Pacific Railroad, Minnesota and North Wisconsin Railroad, and the Great Northern Railroad.