@misc{indiciae71cd93221277,
  title = {Floods of August 1967 in Maryland and Delaware},
  author = {D.H. Carpenter and R.H. Simmons},
  year = {1969},
  doi = {10.3133/ofr6932},
  url = {https://pubs.usgs.gov/publication/ofr6932},
  note = {Source identifier: ofr6932}
}