Great Northern Railway Historical Society Blueprint Collection JSBP4199, Princeton Line, Minnesota, 1904. Great Northern Blueprint Number 32.A.768.04, Bridge # 35. Plans. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Blueprint Number D-41, map of Located Line, Hinckley to West Superior Map Number2, 1888. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1253-10-7, map of Hinckley Township, Pine County, undated. Other subject categories: Map