@misc{indiciae6ed5578fb3ee,
  title = {Water resources data, Maryland and Delaware, water year 2001, volume 2. ground-water data},
  author = {Michael J. Smigaj and Richard W. Saffer and Robert H. Pentz and Elizabeth H. Marchand},
  year = {2002},
  doi = {10.3133/wdrmddedc012},
  url = {https://pubs.usgs.gov/publication/wdrMDDEDC012},
  note = {Source identifier: wdrMDDEDC012}
}