@misc{indiciae7bf73021c198,
  title = {Potential effects of surface coal mining on the hydrology of the Cook Creek area, Ashland coal field, southeastern Montana},
  author = {M. R. Cannon},
  year = {1982},
  doi = {10.3133/ofr82681},
  url = {https://pubs.usgs.gov/publication/ofr82681},
  note = {Source identifier: ofr82681}
}