@misc{indiciaeff6313536b6d,
  title = {Use of 2D and 3D GIS in well selection and interpretation of nitrate data, central Nebraska, USA},
  author = {Ingrid M. Verstraeten},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70018051},
  note = {Source identifier: 70018051}
}