TY  - RPRT
TI  - Physiographic diagrams of Mount St. Helens, Washington showing changes in its summit crater, summer 1980
AU  - T. R. Alpha
AU  - J.G. Moore
AU  - J. M. Morley
AU  - D.R. Jones
PY  - 1981
DO  - 10.3133/mf1279
UR  - https://pubs.usgs.gov/publication/mf1279
ID  - mf1279
ER  -