@misc{indiciaed1a5f54a8e1d,
  title = {Surface disposal of produced waters in western and southwestern Pennsylvania: potential for accumulation of alkali-earth elements in sediments},
  author = {Katherine J. Skalak and Mark A. Engle and Elisabeth L. Rowan and Glenn D. Jolly and Kathryn M. Conko and Adam J. Benthem and Thomas F. Kraemer},
  year = {2014},
  doi = {10.1016/j.coal.2013.12.001},
  url = {https://pubs.usgs.gov/publication/70072615},
  note = {Source identifier: 70072615}
}