@misc{indiciaef7a1b451350c,
  title = {Ground-water resources and potential hydrologic effects of surface coal mining in the northern Powder River basin, southeastern Montana},
  author = {Steven E. Slagle and Barney D. Lewis and Roger W. Lee},
  year = {1985},
  doi = {10.3133/wsp2239},
  url = {https://pubs.usgs.gov/publication/wsp2239},
  note = {Source identifier: wsp2239}
}