Great Northern Railway Historical Society Blueprint Collection JSBP2169, Hardy, Montana, undated. Highway Bridge. Montana Highway Department Map, Highway Bridge Over Gney and River. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridges and Trestles.

Great Northern Railway Historical Society Blueprint Collection JSBP2167, Hardy, Montana, 1918. Montana Central Railway Blueprint Number 133.K.65, Standard Sections for Tunnels. Solid Rock Sections, Timbered Sections. Authorization for Expenditure 8659. Interstate Commerce Commission Account Number 5, Tunnels and Subways. Other ICC account descriptions: ICC Account Number 5, Tunnel.

Great Northern Railway Historical Society Blueprint Collection JSBP2166, Hardy, Montana, 1918. Montana Central Railway Blueprint, Tunnel # 1. Proposed Change of Grade. Authorization for Expenditure 8659. Interstate Commerce Commission Account Number 5, Tunnels and Subways. Other ICC account descriptions: ICC Account Number 5, Tunnel.

AFE 89507, Hardy, Montana, 1957. Relocate Shelter Shed From Tunnel # 1 to Sun River. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series II. Lines West. Other Subject Categories: Station Facilities

AFE 8143, Hardy, Montana, 1903. Construct Water Tank. Interstate Commerce Commission Account Number 18, Water Stations. Series I. Lines West. Other Subject Categories: Servicing Facilities, Water

AFE 7617, Hardy, Montana, 1903. Construct Dam. Interstate Commerce Commission Account Number 18, Water Stations. Series I. Lines West. Other Subject Categories: Servicing Facilities, Water

AFE 486, Hardy, Montana, 1898. Pipe Replace. Interstate Commerce Commission Account Number 6, Bridges, Trestles, Culverts. Series I. Lines West. Other Subject Categories: Structures, Culverts

AFE 39312, Hardy, Montana, 1929. Construct Spur Track 1650' Long West of Bridge No. 14 to Serve C.R. Tintinger. Interstate Commerce Commission Account Number 9, Rails. Cost: $5590. Series II. Lines West. Butte Division.

AFE 3931, Hardy, Montana, 1901. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Series I. Lines West. Other Subject Categories: Fences, Right of Way