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Holocene Evolution, OFR 01-076

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Figure 11.  Seismic profile run up the axis of the paleo-Chehalis River bed offshore of Grays Harbor.  The red line at or near the seafloor is the ravinement surface, and the green line marks the lowstand erosional surface.  Note the landward dipping reflectors between the ravinement and lowstand surfaces.  The landward dipping reflectors suggests onshore transport of sediment during the filling of this valley.  Profile location shown in Figure 2.  The entire profile can be viewed in the Data section or from the GIS that are included on the CD-ROM.

Figure 11.  Seismic profile run up the axis of the paleo-Chehalis River bed offshore of Grays Harbor.

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