@misc{indiciae621cc225a605,
  title = {Ongoing efforts to make ash-cloud model forecasts more accurate},
  author = {Larry G. Mastin and Alexa R. Van Eaton and David J. Schneider and Roger P. Denlinger},
  year = {2017},
  url = {https://pubs.usgs.gov/publication/70220236},
  note = {Source identifier: 70220236}
}