@misc{indiciaec72e7925d11c,
  title = {Geology applied to study of coal mine bumps and mining methods at Sunnyside, Utah},
  author = {Frank W. Osterwald and C. Richard Dunrud},
  year = {1964},
  doi = {10.3133/ofr64122},
  url = {https://pubs.usgs.gov/publication/ofr64122},
  note = {Source identifier: ofr64122}
}