Scientific Investigations Report 2011–5041
Figure 14. Annual sediment volume removed between 1949 and 2002 by commercial and navigational dredging in the Umpqua River estuary, Oregon. Commercial dredging focused mainly on the lower Umpqua River below FPKM 40, whereas navigational volumes provided by the U.S. Army Corps of Engineers (USACE) are mainly for the Umpqua River entrance (FPKM 0–3) near Reedsport. Descriptions include Umpqua River Navigation Company (URN). |
First posted September 29, 2011 For additional information contact: Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://pubsdata.usgs.gov/pubs/sir/2011/5041/figure14.html
Page Contact Information: GS Pubs Web Contact
Page Last Modified: Thursday, 10-Jan-2013 20:11:11 EST
