@misc{indiciae5d2bc42badbf,
  title = {Aeromagnetic map of the Llano Uplift, Mason-Burnet area, central Texas},
  author = {G. E. Andreasen and F.A. Petrafeso},
  year = {1963},
  doi = {10.3133/gp417},
  url = {https://pubs.usgs.gov/publication/gp417},
  note = {Source identifier: gp417}
}