TY  - RPRT
TI  - Physiographic diagrams of Mount St. Helens, Washington showing changes in its summit crater, 1982
AU  - Tau Rho Alpha
PY  - 1983
DO  - 10.3133/mf1608
UR  - https://pubs.usgs.gov/publication/mf1608
ID  - mf1608
ER  -