@misc{indiciae8e28f23432ca,
  title = {Potentiometric surface of the Ozark Aquifer in northern Arkansas, 1995},
  author = {Aaron L. Pugh},
  year = {1998},
  doi = {10.3133/wri984000},
  url = {https://pubs.usgs.gov/publication/wri984000},
  note = {Source identifier: wri984000}
}