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Figure 17. Evidence for subsidence of coastal southwestern Washington that was probably induced by earthquakes (Atwater, 1987, 1988). This buried, and now partiall y exhumed marsh is exposed at low tide along the Johns River, a tributary of Grays Harbor. The buried m arsh, forming the lighter toned bench on which the people are standing, dropped 3 or more feet about 3 00 years ago. (Photo by B. F. Atwater)

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