@misc{indiciae030432f19793,
  title = {Preface},
  author = {Julie A. Dumoulin and Alison Till},
  year = {2014},
  doi = {10.1130/2014.2506(00)},
  url = {https://pubs.usgs.gov/publication/70217584},
  note = {Source identifier: 70217584}
}