@misc{indiciae9f9f1ad05136,
  title = {A petrographic study of igneous rock from three drill holes near the Meers Fault, Oklahoma},
  author = {Donley S. Collins},
  year = {1992},
  doi = {10.3133/ofr92411},
  url = {https://pubs.usgs.gov/publication/ofr92411},
  note = {Source identifier: ofr92411}
}