Great Northern Railway Historical Society Blueprint Collection JSBP8581, Tumwater, Washington, 1927. Great Northern Blueprint Number X8-227-5, Arrangement and Details Storage Battery Room. Hydro-Electric Plant. Interstate Commerce Commission Account Number 31, Power Transmission Systems. Other ICC account descriptions: ICC Account Number 29, Transmission System.
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A Pacific Northwest Railroad Archive subject, encompassing engineering drawings associated with electrification of railroad locomotives and related electric power generation and transmission facilities.