@misc{indiciae3fd87283f386,
  title = {Chemical data for soils over and around the Velma oil field, Stephens County, Oklahoma},
  author = {S.S. Roeming and T.J. Donovan},
  year = {1984},
  doi = {10.3133/ofr84262},
  url = {https://pubs.usgs.gov/publication/ofr84262},
  note = {Source identifier: ofr84262}
}