@misc{indiciaef3d612f86d4c,
  title = {Coalbed methane resources of the Appalachian Basin, eastern USA},
  author = {Robert C. Milici and Joseph R. Hatch and Mark J. Pawlewicz},
  year = {2010},
  doi = {10.1016/j.coal.2009.12.002},
  url = {https://pubs.usgs.gov/publication/70156473},
  note = {Source identifier: 70156473}
}