@misc{indiciae8183cb12a6f1,
  title = {Thickness of the Mississippi River Valley alluvial aquifer in eastern Arkansas},
  author = {Aaron L. Pugh and Paul W. Westerfield and David T. Poynter},
  year = {1997},
  doi = {10.3133/wri974049},
  url = {https://pubs.usgs.gov/publication/wri974049},
  note = {Source identifier: wri974049}
}