Great Northern Railway Historical Society Blueprint Collection JSBP2498, Hills, Minnesota, undated. Map and Profile of Crossing # 47. Diagram of Crossing. Interstate Commerce Commission Account Number 15, Crossings and Signs. Other ICC account descriptions: ICC Account Number 14, Public Crossing.

Great Northern Railway Historical Society Blueprint Collection JSBP2497, Hills, Minnesota, 1920. Raise and Widen Approaches to Bridge On 1St Street. Authorization for Expenditure 12774. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP2496, Hills, Minnesota, 1919. Crossing Frog. Situation Plat. Authorization for Expenditure 9376. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Rail Line.

Great Northern Railway Historical Society Blueprint Collection JSBP2495, Hills, Minnesota, 1918. Great Northern Blueprint Number 3110.56.01, Crossing Frog # 1. with Ill Central Ry. Authorization for Expenditure 9376. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Rail Line.

Great Northern Railway Authorization for Expenditure (AFE), Hills, Minnesota, undated. Water Tank . Interstate Commerce Commission Account Number 18, Water Stations. Series .

Great Northern Railway Authorization for Expenditure (AFE), Hills, Minnesota, 1895. Depot . Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series .

AFE 94, Hills, Minnesota, 1915. Erect 5640' Fence - 2 Mile North. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Cost: $124. Series I. Lines East. Other Subject Categories: Fences, Right of Way

AFE 9376, Hills, Minnesota, 1918. Replace 60 # Crossing Frog with 80 # Frog at Illinois Central Crossing. Interstate Commerce Commission Account Number 9, Rails. Cost: $767. Series II. Lines East. Other Subject Categories: Track Maintenance, OTM

AFE 91876, Hills, Minnesota, 1959. Retire and Sell Section House with Land. Interstate Commerce Commission Account Number 17, Roadway buildings. Series II. Lines East. Other Subject Categories: Roadway Buildings, Section Facilities

AFE 91207, Hills, Minnesota, 1959. & 144.2 - Replace with Standard Creosoted Pile and Timber Bridges. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Cost: $8610. Series II. Lines East. Other Subject Categories: Structures, Bridges