@misc{indiciae2631773db9b4,
  title = {A new area of Carboniferous rocks in Mexico},
  author = {G.H. Girty},
  year = {1926},
  doi = {10.1126/science.63.1628.286},
  url = {https://pubs.usgs.gov/publication/70010953},
  note = {Source identifier: 70010953}
}