@misc{indiciae11ca56c88ed6,
  title = {Drought-trigger ground-water levels and analysis of historical water-level trends in Chester County, Pennsylvania},
  author = {Curtis L. Schreffler},
  year = {1996},
  doi = {10.3133/wri974113},
  url = {https://pubs.usgs.gov/publication/wri974113},
  note = {Source identifier: wri974113}
}