@misc{indiciae53924a2e96d1,
  title = {Variability of estimated ultimate recovery in shale oil and shale gas accumulations in the U.S.},
  author = {Christopher J. Schenk and Heidi M. Leathers-Miller},
  year = {2019},
  doi = {10.3997/2214-4609.201901652},
  url = {https://pubs.usgs.gov/publication/70204725},
  note = {Source identifier: 70204725}
}