@misc{indiciae6af0fa0c5620,
  title = {Alaska coal resources and coalbed methane potential},
  author = {Romeo M. Flores and Gary D. Stricker and Scott A. Kinney},
  year = {2003},
  doi = {10.3133/b2198},
  url = {https://pubs.usgs.gov/publication/b2198},
  note = {Source identifier: b2198}
}