@misc{indiciae462716ec9771,
  title = {Maps showing altitude of the potentiometric surface and changes in water level of the Sparta sand and Memphis sand aquifers in Eastern Arkansas, spring 1984},
  author = {Joe Edds and Daniel J. Fitzpatrick},
  year = {1985},
  doi = {10.3133/wri854223},
  url = {https://pubs.usgs.gov/publication/wri854223},
  note = {Source identifier: wri854223}
}