@misc{indiciae86e70c6aea44,
  title = {Groundwater model of the Blue River basin, Nebraska-Twenty years later},
  author = {W.M. Alley and P. A. Emery},
  year = {1986},
  doi = {10.1016/0022-1694(86)90058-2},
  url = {https://pubs.usgs.gov/publication/70015667},
  note = {Source identifier: 70015667}
}