@misc{indiciae5ccb917b4b86,
  title = {Changes in the organic material in lakes in the blast zone of Mount St. Helens, Washington},
  author = {Diane M. McKnight and John M. Klein and Robert C. Wissman},
  year = {1984},
  doi = {10.3133/cir850l},
  url = {https://pubs.usgs.gov/publication/cir850L},
  note = {Source identifier: cir850L}
}