@misc{indiciae3fbcbca6f56a,
  title = {Map showing structure of the Mississippi Valley Graben in the vicinity of New Madrid, Missouri},
  author = {Russell L. Wheeler and Susan Rhea and Richard L. Dart},
  year = {1994},
  doi = {10.3133/mf2264d},
  url = {https://pubs.usgs.gov/publication/mf2264D},
  note = {Source identifier: mf2264D}
}