@misc{indiciae4351b26dd5cd,
  title = {Residence time, chemical and isotopic analysis of nitrate in the groundwater and surface water of a small agricultural watershed in the Coastal Plain, Bucks Branch, Sussex County, Delaware},
  author = {John W. Clune and Judith M. Denver},
  year = {2012},
  doi = {10.3133/sir20125235},
  url = {https://pubs.usgs.gov/publication/sir20125235},
  note = {Source identifier: sir20125235}
}