TY  - RPRT
TI  - Field trip guide to Mount St. Helens, Washington—Recent and ancient volcaniclastic processes and deposits
AU  - Richard B. Waitt
AU  - Jon J. Major
AU  - Richard P. Hoblitt
AU  - Alexa R. Van Eaton
AU  - Michael A. Clynne
PY  - 2019
DO  - 10.3133/sir20175022e
UR  - https://pubs.usgs.gov/publication/sir20175022E
ID  - sir20175022E
ER  -