@misc{indiciaed7ec43d1b6f9,
  title = {Petrology and reservoir quality of the Gaikema Sandstone: Initial impressions},
  author = {Kenneth P. Helmold and Richard G. Stanley},
  year = {2015},
  doi = {10.14509/29462},
  url = {https://pubs.usgs.gov/publication/70154781},
  note = {Source identifier: 70154781}
}