@misc{indiciae9909690accec,
  title = {Liquefaction potential in the central Mississippi Valley},
  author = {S. F. Obermeier},
  year = {1984},
  doi = {10.3133/ofr84515},
  url = {https://pubs.usgs.gov/publication/ofr84515},
  note = {Source identifier: ofr84515}
}