@misc{indiciae9ca4fc5e923a,
  title = {Coral zonation of the Mississippian System in the Western Interior Province of North America},
  author = {W.J. Sando and E.W. Bamber},
  year = {1985},
  doi = {10.3133/pp1334},
  url = {https://pubs.usgs.gov/publication/pp1334},
  note = {Source identifier: pp1334}
}