Great Northern Railway Historical Society Blueprint Collection JSBP7958, System Wide, 1948. Great Northern Blueprint Number 109.3121.13, Data Plate for Concrete Structures. Culverts, Piers. 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 JSBP8097, System Wide, 1951. Great Northern Blueprint Number D6C.01, Steel Bridges. Floor Systems. 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 JSBP8098, System Wide, 1951. Great Northern Blueprint Number D6C.03, Steel Bridges. Deck Plate Girders. 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 JSBP8342, System Wide, undated. Great Northern Blueprint Number 116.4601.15A, Cut Off Top of Decayed Pile and Insert Corbel Block. Sketch. 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 JSBP8343, System Wide, undated. Great Northern Blueprint Number 116.4601.15C, Cut Out Decayed Portion and Insert Blocking. Sketch. 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 JSBP8344, System Wide, undated. Great Northern Blueprint Number 116.4601.15F, Bridge Piles and Double Sill. Crosssection. 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 JSBP8345, System Wide, undated. Great Northern Blueprint Number 116.4601.15E, Cut Off Old Piles and Supprt Bent. Sketch. 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 JSBP8346, System Wide, undated. Great Northern Blueprint Number 116.4601.15D, Cut Out Decayed Portion of Old Piles. Sketch. 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 JSBP8347, System Wide, undated. Great Northern Blueprint Number 116.4601.15B, Cut Off Top of All Piles and Insert Additional Cap. Sketch. 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 JSBP8531, Taylor Creek, Oregon, 1930. Great Northern Blueprint Number 275-4466-2, Bridge 77.6. General Plan of The Bridge, South of Klamath Falls, Or. Authorization for Expenditure 44088. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridges and Trestles.