@misc{indiciae504cefea1950,
  title = {Invisible CO2 gas killing trees at Mammoth Mountain, California},
  author = {Michael L. Sorey and Christopher D. Farrar and Terrance M. Gerlach and Kenneth A. McGee and William C. Evans and Elizabeth M. Colvard and David P. Hill and Roy A. Bailey and John D. Rogie and James W. Hendley and Peter H. Stauffer},
  year = {2000},
  doi = {10.3133/fs17296},
  url = {https://pubs.usgs.gov/publication/fs17296},
  note = {Source identifier: fs17296}
}