TY - RPRT TI - Preliminary estimates of recurrence intervals for great earthquakes of the past 3500 years at northeastern Willapa Bay, Washington AU - B.F. Atwater AU - Eileen Hemphill-Haley PY - 1996 DO - 10.3133/ofr961 UR - https://pubs.usgs.gov/publication/ofr961 ID - ofr961 ER -