Great Northern Railway Historical Society Blueprint Collection JSBP8890, Wenatchee, Washington, 1928. Great Northern Blueprint Number X15-301, Details of Auxiliary Terminal Board Wall Boxes and Pull Boxes. Converter Substation. Interstate Commerce Commission Account Number 31, Power Transmission Systems. Other ICC account descriptions: ICC Account Number 29, Transmission System.

Great Northern Railway Historical Society Blueprint Collection JSBP8889, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 23 of 36, Converter Sub-Station. Details of Cupola. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8888, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 9 of 36, Converter Sub-Station. Basement Sectional Plan. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8887, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 24 of 36, Converter Sub-Station. South Wall Lintel Details. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8886, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 17 of 36, Converter Sub-Station. Section and Details. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8885, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 15 of 36, Converter Sub-Station. Sections and Details. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8884, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 26 of 36, Converter Sub-Station, Window Details. Sections of Windows. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8883, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 14 of 36, Converter Sub-Station. Main Floor Sectional Plan. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8882, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 6 of 36, Converter Sub-Station. East and West Elevations. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.

Great Northern Railway Historical Society Blueprint Collection JSBP8881, Wenatchee, Washington, 1928. Great Northern Blueprint Number X-15-300, 13 of 36, Converter Sub-Station. Sections G-G and H-H. Interstate Commerce Commission Account Number 30, Power Substation Buildings. Other ICC account descriptions: ICC Account Number 29, Substation.