@misc{indiciae112469c499a0,
  title = {Variables indicating nitrate contamination in Bedrock Aquifers, Newark Basin, New Jersey},
  author = {R.M. Clawges and E. F. Vowinkel},
  year = {2007},
  doi = {10.1111/j.1752-1688.1996.tb04073.x},
  url = {https://pubs.usgs.gov/publication/70018149},
  note = {Source identifier: 70018149}
}