@misc{indiciaed52bfedea707,
  title = {Simulation of ground-water flow in the Mississippi River Valley alluvial aquifer in eastern Arkansas},
  author = {G.L. Mahon and A. H. Ludwig},
  year = {1990},
  doi = {10.3133/wri894145},
  url = {https://pubs.usgs.gov/publication/wri894145},
  note = {Source identifier: wri894145}
}