@misc{indiciae54573b0675a7,
  title = {Preliminary geologic map of Furnas Volcano, San Miguel, Azores},
  author = {Richard B. Moore},
  year = {1983},
  doi = {10.3133/ofr83395},
  url = {https://pubs.usgs.gov/publication/ofr83395},
  note = {Source identifier: ofr83395}
}