@misc{indiciae5f636c780a25,
  title = {Altitude and configuration of the potentiometric surface in Warwick and East Nantmeal townships, Chester County, Pennsylvania, July through December 1998},
  author = {Cynthia J. Rowland},
  year = {2000},
  doi = {10.3133/ofr99458},
  url = {https://pubs.usgs.gov/publication/ofr99458},
  note = {Source identifier: ofr99458}
}