@misc{indiciaec0f47ff7f746,
  title = {The Olney, Illinois, earthquake of 10 June 1987; a preliminary report},
  author = {C.J. Langer and P. S. Powers and A. C. Johnston and G. A. Bollinger and D. L. Carver and R. A. Williams and Edward Cranswick},
  year = {1987},
  doi = {10.3133/ofr87623},
  url = {https://pubs.usgs.gov/publication/ofr87623},
  note = {Source identifier: ofr87623}
}