@misc{indiciaeee74ec4bfaba,
  title = {Ground-water levels in the alluvial aquifer in eastern Arkansas, 1986},
  author = {Maria Plafcan},
  year = {1987},
  doi = {10.3133/ofr87545},
  url = {https://pubs.usgs.gov/publication/ofr87545},
  note = {Source identifier: ofr87545}
}