Great Northern Technical Drawing, Sludge Piping in Storage Tank undated. Other subject categories: Drawing

Great Northern Technical Drawing, Foundation Details for Power Pumps 1928. Other subject categories: Drawing

Great Northern Blueprint Number 3A.800.4, Great Northern Foundation Plan for Water Treating Plant, 1928. Other subject categories: Drawing

Great Northern Technical Drawing, Foundation Plan for Water Treating Plant 1928. Other subject categories: Drawing

Great Northern Technical Drawing, Framing for Mixing Machinery in Water Treating Plant 1925. Other subject categories: Drawing

Great Northern Blueprint Number 8116.2, Koyl System, Water Treatment Plant, Elevations, 1918. Other subject categories: Drawing

Great Northern Blueprint Number 8116.1, Koyl System, Water Treatment Plant, Plans, 1918. Other subject categories: Drawing

Great Northern Blueprint Number 8116.3, Koyl System, Water Treatment Plant,Sections, 1918. Other subject categories: Drawing

Great Northern Blueprint Number 8116.4, Koyl System, Water Treatment Plant, Miscellaneous Details, 1918. Other subject categories: Drawing

Great Northern Blueprint Number 8116.5, Koyl System, Water Treatment Plant, Sludge Piping, 1918. Other subject categories: Drawing

Great Northern Blueprint Number 8116.8, Koyl System, Water Treatment Plant, Hoop Details, 1918. Other subject categories: Drawing

Great Northern Blueprint Number 1326-37-1, map of Sheyenne River Gravel Pit West of Heimdal, undated. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1326-37-1, map of Sheyenne River Gravel Pit West of Heimdal (blueprint), undated. Other subject categories: Right of Way and Track Map

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. Section House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. (2) Tool House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. Depot, One Story, with Platform. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series .

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. Bunk House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. Section House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. Bunk House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. (2) Tool House . Interstate Commerce Commission Account Number 17, Roadway buildings. Series .

Great Northern Railway Authorization for Expenditure (AFE), Heimdal, North Dakota, 1912. Depot, One Story, with Platform. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series .

AFE 62.0558, Heimdal, North Dakota, 1962. Retire. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Series II. Lines East. Other Subject Categories: Fences, Snow

AFE 423, Heimdal, North Dakota, 1915. Place Crane. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Cost: $20. Series II. Lines East. Other Subject Categories: Passenger Facilities, Mail Crane

AFE 34592, Heimdal, North Dakota, 1927. Constructing Additional 12'X24' Curbedd Well 30' Deep and Making Necessary Connections at Heimdal, North Dakota. Interstate Commerce Commission Account Number 18, Water Stations. Cost: $3000. Series II. Lines East. Breckenridge Division.

AFE 34539, Heimdal, North Dakota, 1927. Installing Commercial Telephone in Depot at Heimdal, North Dakota. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Cost: $25. Series II. Lines East. Breckenridge Division.

AFE 335647, Heimdal, North Dakota, 1927. Erecting Secondhand 24'X20' Treatment Plant (From Oxford, Montana) According to Present Standard. Interstate Commerce Commission Account Number 18, Water Stations. Cost: $22500. Series II. Lines West. Breckenridge Division.

AFE 2696, Heimdal, North Dakota, 1916. Erect 1442' of Fence - 1 1/2 Mile East. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Cost: $43. Series II. Lines East. Other Subject Categories: Fences, Right of Way

AFE 24824, Heimdal, North Dakota, 1914. Erect 3000' of Fence - Three Miles West. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Cost: $110. Series I. Lines East. Breckenridge Division. Other Subject Categories: Fences, Right of Way

AFE 24721, Heimdal, North Dakota, 1914. Erect 1800' of Fence - Three Miles West. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Cost: $113. Series I. Lines East. Other Subject Categories: Fences, Right of Way

AFE 24708, Heimdal, North Dakota, 1914. Erect 1300' of Fence - Three Miles West. Interstate Commerce Commission Account Number 13, Fences, Snowsheds and Signs. Cost: $77. Series I. Lines East. Other Subject Categories: Fences, Right of Way