Great Northern Blueprint Number 1206-26-1, Billings & Northern Railway, Ellwood Standard Fence, 1906. Other subject categories: Drawing

Great Northern Blueprint Number 1206-26-2, Billings & Northern Railway, Ellwood Standard Fence, 1907. Other subject categories: Drawing

Great Northern Technical Drawing 1233-11-1, General Plan of Weed Burner, undated. Other subject categories: Drawing

Great Northern Technical Drawing 1233-11-3, Brick Layout of Weed Burner, undated. Other subject categories: Drawing

Great Northern Blueprint Number 1087.35.1, Section Foreman's House for Two Families, Plan, Elevations and Section, 1904. Other subject categories: Drawing

Great Northern Blueprint Number 1160-1-13, Plan of Grading for Hand Car Houses on Fargo-Surrey Line, 1911. Other subject categories: Drawing

Great Northern Blueprint Number 8116.12, Water Treating Plant, Details, 1914. Other subject categories: Drawing

Great Northern Blueprint Number 6.300.3A, Great Northern Water Treating Plant, Sludge Floor and Piping, 1925. Other subject categories: Drawing

Great Northern Blueprint Number 6.300.3, Great Northern Water Treating Plant - Sludge Floor and Piping, 1925. Other subject categories: Drawing

Great Northern Blueprint Number 7375.1, Standard Septic Tank and Dry Well for Section Houses, 1949. Other subject categories: Drawing