@misc{indiciae74bf9e32c1ea,
  title = {Digitization of a geologic map for the Quebec-Maine-Gulf of Maine global geoscience transect},
  author = {Bruce E. Wright and David B. Stewart},
  year = {1990},
  doi = {10.3133/cir1041},
  url = {https://pubs.usgs.gov/publication/cir1041},
  note = {Source identifier: cir1041}
}