Samples were taken at three stations the Willametter
River-U.S. Moorings in Portland Harbor. Three samples were taken 15
feet out from the berthing dock and ranged from 4-6.5 feet in length.
A sample ...
The old mouth of the Cowlitz River provides a channel from deep water
in the Columbia River to old river mile 0.7 of the Cowlitz River. The
site has been dredged in the past to maintain the channel. ...