@misc{indiciae578ce209a79d,
  title = {Deformation monitoring at Mount St. Helens in 1981 and 1982},
  author = {W.W. Chadwick and D. A. Swanson and E.Y. Iwatsubo and C. C. Heliker and T.A. Leighley},
  year = {1983},
  doi = {10.1126/science.221.4618.1378},
  url = {https://pubs.usgs.gov/publication/70011205},
  note = {Source identifier: 70011205}
}