@misc{indiciaebc0b42cf5826,
  title = {Ground-Water Resources of Big Elk Creek Basin, Pennsylvania and Maryland},
  author = {Ronald A. Sloto},
  year = {2002},
  doi = {10.3133/fs01902},
  url = {https://pubs.usgs.gov/publication/fs01902},
  note = {Source identifier: fs01902}
}