@misc{indiciaed7423eb6780a,
  title = {Results of experiments related to contact of mine-spoils water with coal, West Decker and Big Sky Mines, southeastern Montana},
  author = {R. E. Davis and K. A. Dodge},
  year = {1986},
  doi = {10.3133/wri864002},
  url = {https://pubs.usgs.gov/publication/wri864002},
  note = {Source identifier: wri864002}
}