@misc{indiciae83eebf791b31,
  title = {Procedures for assessment of cumulative impacts of coal mining on the hydrologic balance},
  author = {Alan M. Lumb},
  year = {1982},
  doi = {10.3133/ofr82334},
  url = {https://pubs.usgs.gov/publication/ofr82334},
  note = {Source identifier: ofr82334}
}