@misc{indiciaea189c7996e97,
  title = {Climatologic, soil-water, ground-water, geologic, surface-water, and water-quality data for a surface coal mine in northwestern Colorado},
  author = {R.S. Williams and G. M. Clark and N.E. Spahr},
  year = {1993},
  doi = {10.3133/ofr92122},
  url = {https://pubs.usgs.gov/publication/ofr92122},
  note = {Source identifier: ofr92122}
}