Revision History for SIR 2015-5063 James B. Phipps, Eileen Hemphill-Haley, and Brian F. Atwater Chance findings about early Holocene tidal marshes of Grays Harbor, Washington, in relation to rapidly rising seas and great subduction earthquakes ------------------------------ Posted online June 18, 2015 Revised May 18, 2016: ver. 1.1 ------------------------------ Table 3, page 27: The header of the middle column was changed from "Minimum age . . ." to "Maximum age . . ." This was a typographical error; the change makes the table consistent with the correct explanation for the arrows that point to the right in figure 15D, page 26.