@misc{indiciaecd5cf2504e8d,
  title = {Water resources data for Maryland and Delaware, water year 1981},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1982},
  doi = {10.3133/wdrmdde811},
  url = {https://pubs.usgs.gov/publication/wdrMDDE811},
  note = {Source identifier: wdrMDDE811}
}