@misc{indiciae66418ae3713a,
  title = {Mineral resources of the Llano-Burnet region, Texas, with an account of the pre-Cambrian geology},
  author = {Sidney Paige},
  year = {1911},
  doi = {10.3133/b450},
  url = {https://pubs.usgs.gov/publication/b450},
  note = {Source identifier: b450}
}