@misc{indiciaeff5aec146227,
  title = {Geohydrologic reconnaissance of the Avoca lignite deposit area near Williston, northwestern North Dakota},
  author = {W.F. Horak and O.A. Crosby},
  year = {1985},
  doi = {10.3133/wri854024},
  url = {https://pubs.usgs.gov/publication/wri854024},
  note = {Source identifier: wri854024}
}