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. ...
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 ...
These data represent the USACOE, Portland District's sediment quality
data with regard to dioxins and furans in sediment samples from areas
that have already been dredged and areas that may potentially ...