@misc{indiciae990081f21c1e,
  title = {Coal-spoil and ground-water chemical data from two coal mines; Hanna Basin and Powder River basin, Wyoming},
  author = {L. R. Larson},
  year = {1988},
  doi = {10.3133/ofr88481},
  url = {https://pubs.usgs.gov/publication/ofr88481},
  note = {Source identifier: ofr88481}
}