@misc{indiciae5e14b8960c43,
  title = {Aeromagnetic map of the Llano Uplift, Mason-Burnet area, central Texas},
  author = {Gordon E. Andreasen and Frank Petrafeso},
  year = {1962},
  doi = {10.3133/ofr622},
  url = {https://pubs.usgs.gov/publication/ofr622},
  note = {Source identifier: ofr622}
}