@misc{indiciae518dcb45a531,
  title = {Landscape consequences of natural gas extraction in Beaver and Butler Counties, Pennsylvania, 2004-2010},
  author = {Coral M. Roig-Silva and E. Terry Slonecker and Lesley E. Milheim and Alexander R. Malizia},
  year = {2013},
  doi = {10.3133/ofr20131226},
  url = {https://pubs.usgs.gov/publication/ofr20131226},
  note = {Source identifier: ofr20131226}
}