@misc{indiciae0f1191511e32,
  title = {Quaternary grabens in southernmost Illinois: Deformation near an active intraplate seismic zone},
  author = {W.J. Nelson and F.B. Denny and L.R. Follmer and J.M. Masters},
  year = {1999},
  doi = {10.1016/s0040-1951(99)00018-9},
  url = {https://pubs.usgs.gov/publication/70021646},
  note = {Source identifier: 70021646}
}