@misc{indiciae647f65fc2350,
  title = {Western Phosphate Field, U.S.A.; science in support of land management},
  author = {James R. Hein},
  year = {2002},
  doi = {10.3133/fs10002},
  url = {https://pubs.usgs.gov/publication/fs10002},
  note = {Source identifier: fs10002}
}