@misc{indiciae5a09a64b1cdd,
  title = {Some Paleozoic sections in Arizona and their correlation},
  author = {Frederick Leslie Ransome},
  year = {1917},
  doi = {10.3133/pp98k},
  url = {https://pubs.usgs.gov/publication/pp98K},
  note = {Source identifier: pp98K}
}