@misc{indiciaeab500f3d737a,
  title = {Soil-water hydrology and geochemistry of a coal spoil at a reclaimed surface mine in Routt County, Colorado},
  author = {R.S. Williams and S.E. Hammond},
  year = {1988},
  doi = {10.3133/wri864350},
  url = {https://pubs.usgs.gov/publication/wri864350},
  note = {Source identifier: wri864350}
}