@misc{indiciae4ff0c666fe5a,
  title = {Water-level maps of the Mississippi River Valley alluvial aquifer in eastern Arkansas, 1986},
  author = {Maria Plafcan and Larry M. Remsing},
  year = {1989},
  doi = {10.3133/wri884067},
  url = {https://pubs.usgs.gov/publication/wri884067},
  note = {Source identifier: wri884067}
}