@misc{indiciae4c243b726840, title = {Eruptions of Mount St. Helens : past, present, and future}, author = {Robert I. Tilling and Lyn J. Topinka and Donald A. Swanson}, year = {2002}, doi = {10.3133/7000010}, url = {https://pubs.usgs.gov/publication/7000010}, note = {Source identifier: 7000010} }