Sea going tugboat plans February 1909

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Sea going tugboat plans February 1909

11 plans and elevations on 4 sheets of a sea going tugboat, February 1909, scale: 1/4" : 1' to 1" : 1'; 2 blueprint plans and elevations on 1 sheet, scale: 3/8" : 1'.

65.8 x 52.6 cm. to 74.1 x 122 cm.

eng,

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SNAC Resource ID: 6371869

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Port of Portland (Or.)

http://n2t.net/ark:/99166/w6k39jr1 (corporateBody)

With improvements to navigation on the Columbia, Willamette, and Snake rivers and rail lines converging on Portland, Or., the city's harbor became an important shipping point. The Port of Portland, which was created by the Oregon Legislature in 1891, and the Commission of Public Docks, which was created by the City of Portland in 1910, generally operated in tandem, each with a different focus. The Port of Portland took responsibility for deepening and maintaining shipping channels, constructing ...