Columbia river, Oreg.
Subtitle: Letter from the secretary of war transmitting report from the chief of engineers on preliminary examination and survey of Columbia river at St. Helens, Oreg. ...
Contributors: United States. Board of Engineers for Rivers and Harbors.
Series: 72d Cong., 1st sess. House. Doc -- 235.; House document (United States. Congress (72nd, 1st session). House) -- 72nd Congress, no. 235.
Publisher: U.S. Govt. Print Off.
Published: 1932
Place of publication: [Washington
Language: eng
Number of pages: 24
Subjects: Columbia River
Notes: Referred to the Committee on Rivers and Harbors and ordered printed, with illustrations, January 27, 1932.

"Report of the Board of Engineers for rivers and harbors": p. 3-4.