TY - RPRT TI - Vapor transfer prior to the October 2004 eruption of Mount St. Helens, Washington AU - A.J.R. Kent AU - J. Blundy AU - K. V. Cashman AU - K.M. Copper AU - C. Donnelly AU - John S. Pallister AU - M. Reagan AU - M.C. Rowe AU - Carl Thornber PY - 2007 DO - 10.1130/g22809a.1 UR - https://pubs.usgs.gov/publication/70032919 ID - 70032919 ER -