@misc{indiciae7b6713572fde,
  title = {Groundwater-quality monitoring program in Chester County, Pennsylvania, 1980-2008},
  author = {Lisa A. Senior and Ronald A. Sloto},
  year = {2010},
  doi = {10.3133/sir20105087},
  url = {https://pubs.usgs.gov/publication/sir20105087},
  note = {Source identifier: sir20105087}
}