@misc{indiciae87fa91860654,
  title = {Annotated bibliography of the coal flora (Pennsylvanian) of Massachusetts and Rhode Island},
  author = {Paul C. Lyons},
  year = {1978},
  doi = {10.3133/ofr78683},
  url = {https://pubs.usgs.gov/publication/ofr78683},
  note = {Source identifier: ofr78683}
}