@misc{indiciae3efda1874877,
  title = {Effects of variations in recharge on groundwater quality},
  author = {Donald O. Whittemore and K.M. McGregor and G.A. Marotz},
  year = {1989},
  doi = {10.1016/0022-1694(89)90170-4},
  url = {https://pubs.usgs.gov/publication/70015462},
  note = {Source identifier: 70015462}
}