@misc{indiciae05aa37c3bf30,
  title = {Water resources data Maryland and Delaware, water year 1968, Part 2. Water quality records},
  author = {U.S. Geological Survey},
  year = {1970},
  doi = {10.3133/wdrmdde682},
  url = {https://pubs.usgs.gov/publication/wdrMDDE682},
  note = {Source identifier: wdrMDDE682}
}