TY  - RPRT
TI  - Summary of pre-1980 tephra-fall deposits erupted from Mount St. Helens, Washington State, USA
AU  - D. R. Mullineaux
PY  - 1986
DO  - 10.1007/bf01073510
UR  - https://pubs.usgs.gov/publication/70014980
ID  - 70014980
ER  -