Obstructions in Columbia River Letter from the Secretary of War, transmitting the report of a Board of Engineers upon certain obstructions to navigation in the Columbia River in Oregon.

Bibliographic Details

Corporate Authors:	United States. Congress. House. Committee on Rivers and Harbors, ProQuest (Firm)
Format:	eBook
Language:	English
Published:	Washington : [publisher not identified], 1889.
Series:	United States congressional serial set.
Subjects:	Dredging. Navigation. Columbia River. Electronic books.
Online Access:	Connect to the full text of this electronic book