@misc{indiciae159e751bc14a,
  title = {Progress report on the effects of surface mining on the surface-water hydrology of selected basins in the Fort Union coal region, North Dakota and Montana},
  author = {Douglas G. Emerson},
  year = {1981},
  doi = {10.3133/ofr81678},
  url = {https://pubs.usgs.gov/publication/ofr81678},
  note = {Source identifier: ofr81678}
}