@misc{indiciae2ec6a3422e3e,
  title = {The Pennsylvanian-early permian bird spring carbonate shelf, Southeastern California: Fusulinid biostratigraphy, paleogeographic evolution, and tectonic implications},
  author = {C.H. Stevens and P. Stone},
  year = {2007},
  doi = {10.1130/2007.2429},
  url = {https://pubs.usgs.gov/publication/70035382},
  note = {Source identifier: 70035382}
}