@misc{indiciae4f9293881935,
  title = {Incised channel fills containing conifers indicate that seasonally dry vegetation dominated Pennsylvanian tropical lowlands},
  author = {H. J. Falcon-Lang and W.J. Nelson and S. Elrick and C.V. Looy and P.R. Ames and William A. DiMichele},
  year = {2009},
  doi = {10.1130/g30117a.1},
  url = {https://pubs.usgs.gov/publication/70037247},
  note = {Source identifier: 70037247}
}