@misc{indiciae9dba0871d621,
  title = {The Healdton oil field, Carter County, Oklahoma},
  author = {C. H. Wegemann and K. C. Heald},
  year = {1916},
  doi = {10.3133/b621b},
  url = {https://pubs.usgs.gov/publication/b621B},
  note = {Source identifier: b621B}
}