@misc{indiciaee0ee501c47f6,
  title = {Nahcolite resources in the Green River Formation, Piceance Basin, northwestern Colorado},
  author = {Michael E. Brownfield and Ronald C. Johnson and Jesse G. Self and Tracey J. Mercier},
  year = {2009},
  doi = {10.3133/fs20093011},
  url = {https://pubs.usgs.gov/publication/fs20093011},
  note = {Source identifier: fs20093011}
}