Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

pl23_fish6621.jpg

The dredge head of the Army Corps of Engineers Dredge Biddle at themouth of the Columbia River

Image

Download ( 3.93 MB )

Permalink

https://www.noaa.gov/media/digital-library-photo/pl23fish6621jpg

Description

The dredge head of the Army Corps of Engineers Dredge Biddle at themouth of the Columbia River. This huge machine had the capacity to operate at4 knots, load 3000 cubic yards in 40 minutes and discharge the same in 20minutes.

Credit

NMFS/Northwest Fisheries Science Center; Pacific Northwest Collection

Display Date

1970 August

Collection

Historic Fisheries

Keywords

Historic Fisheries

Salmon