@misc{indiciaed7fe658d7dfc,
  title = {Landscape disturbance from unconventional and conventional oil and gas development in the Marcellus Shale region of Pennsylvania, USA},
  author = {Terry E. Slonecker and Lesley E. Milheim},
  year = {2015},
  doi = {10.3390/environments2020200},
  url = {https://pubs.usgs.gov/publication/70148452},
  note = {Source identifier: 70148452}
}