TY  - RPRT
TI  - Pre- and post-eruptive investigations of gas and water samples from Mount St. Helens, Washington, 2002 to 2005
AU  - D. Bergfeld
AU  - William C. Evans
AU  - Kenneth A. McGee
AU  - Kurt R. Spicer
PY  - 2008
DO  - 10.3133/pp175025
UR  - https://pubs.usgs.gov/publication/pp175025
ID  - pp175025
ER  -