So that ships may pass : historical, structural, and operational development of navigation--Lower Columbia and Willamette Rivers /

Bibliographic Details
Main Author:	Heineman, Adam J.
Corporate Author:	Oregon. Port of Portland Commission
Other Authors:	Richardson, Judith
Format:	Book
Language:	English
Published:	[Portland, Or.] : The Port of Portland Commission, 1968.
Subjects:	Port of Portland (Or.) Harbors > Oregon > Portland. Lower Columbia River (Or. and Wash.) > Navigation. Willamette River (Or.) > Navigation.

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