@misc{indiciae4a20c96634bc,
  title = {Geohydrology and simulation of ground-water flow in the carbonate rocks of the Valley Creek basin, eastern Chester County, Pennsylvania},
  author = {R. A. Sloto},
  year = {1990},
  doi = {10.3133/wri894169},
  url = {https://pubs.usgs.gov/publication/wri894169},
  note = {Source identifier: wri894169}
}