@misc{indiciae81aa36ae1fbd, title = {Mount St. Helens Petrology Workshop}, author = {Michael C. Rowe and John S. Pallister and Anita L. Grunder}, year = {2007}, doi = {10.1029/2007eo020004}, url = {https://pubs.usgs.gov/publication/70033079}, note = {Source identifier: 70033079} }