TY - RPRT TI - Constraints on the size, overpressure, and volatile content of the Mount St. Helens magma system from geodetic and dome-growth measurements during the 2004-2006+ eruption AU - Larry G. Mastin AU - Evelyn Roeloffs AU - Nick M. Beeler AU - James E. Quick PY - 2008 DO - 10.3133/pp175022 UR - https://pubs.usgs.gov/publication/pp175022 ID - pp175022 ER -