Figure
16. Four surface sediment transects across the lower beach face and inner shelf showing
the difference between the relict shelf surface north of the mouth of Willapa Bay and the
modern shelf deposit south of the mouth of Willapa Bay. The relict shelf surface has high
concentrations of medium sand to gravel which is absent from the modern deposit.
Click on the figure to view a larger image.
U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/2000/of00-167/htmldocs/figure16.htm
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Last modified: 10:24:14 Tue 18 Sep 2001
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Figure
16. Four surface sediment transects across the lower beach face and inner shelf showing
the difference between the relict shelf surface north of the mouth of Willapa Bay and the
modern shelf deposit south of the mouth of Willapa Bay. The relict shelf surface has high
concentrations of medium sand to gravel which is absent from the modern deposit.
Click on the figure to view a larger image.