@misc{indiciae9214760dbc18,
  title = {Sample description and stratigraphic correlation of the New Madrid test well-1-X, New Madrid County, Missouri},
  author = {Anthony J. Crone},
  year = {1981},
  doi = {10.3133/ofr81426},
  url = {https://pubs.usgs.gov/publication/ofr81426},
  note = {Source identifier: ofr81426}
}