@misc{indiciae859f09fb2daa,
  title = {Geologic map of the Bakers Crossing quadrangle, Val Verde County, Texas},
  author = {V. L. Freeman},
  year = {1965},
  doi = {10.3133/i434},
  url = {https://pubs.usgs.gov/publication/i434},
  note = {Source identifier: i434}
}