@misc{indiciae30784db6b596,
  title = {Field survey of intensity for the earthquake of July 27, 1980, Sharpsburg, Kentucky},
  author = {Margaret G. Hopper and B. Glen Reagor},
  year = {1980},
  doi = {10.3133/ofr801242},
  url = {https://pubs.usgs.gov/publication/ofr801242},
  note = {Source identifier: ofr801242}
}