@misc{indiciae0307e00770f8,
  title = {Modeling uncertainty in coal resource assessments, with an application to a central area of the Gillette coal field, Wyoming},
  author = {Ricardo A. Olea and James A. Luppens},
  year = {2014},
  doi = {10.3133/sir20145196},
  url = {https://pubs.usgs.gov/publication/sir20145196},
  note = {Source identifier: sir20145196}
}