@misc{indiciaebd2f86cd1681,
  title = {Potentiometric surface of the Sparta aquifer in eastern and south-central Arkansas and north-central Louisiana, and the Memphis Aquifer in east-central Arkansas, October 1996-July 1997},
  author = {Robert L. Joseph},
  year = {1998},
  doi = {10.3133/wri974282},
  url = {https://pubs.usgs.gov/publication/wri974282},
  note = {Source identifier: wri974282}
}