@misc{indiciaea08ca91ae6e9,
  title = {Water resources data Maryland and Delaware, water year 1970, Part 2. Water quality records},
  author = {U.S. Geological Survey},
  year = {1973},
  doi = {10.3133/wdrmdde702},
  url = {https://pubs.usgs.gov/publication/wdrMDDE702},
  note = {Source identifier: wdrMDDE702}
}