TY - RPRT TI - Lahars and lahar-runout flows in the Toutle-Cowlitz River system, Mount St. Helens, Washington; magnitude and frequency AU - K. M. Scott PY - 1986 DO - 10.3133/ofr86500 UR - https://pubs.usgs.gov/publication/ofr86500 ID - ofr86500 ER -