TY  - RPRT
TI  - Areal distribution, thickness, and volume of downwind ash from the May 18, 1980, eruption of Mount St. Helens
AU  - Andrei M. Sarna-Wojcicki
AU  - Susan Shipley
AU  - R. B. Waitt
AU  - Daniel Dzurisin
AU  - W. H. Hays
AU  - J.O. Davis
AU  - S. H. Wood
AU  - Thomas Bateridge
PY  - 1980
DO  - 10.3133/ofr801078
UR  - https://pubs.usgs.gov/publication/ofr801078
ID  - ofr801078
ER  -