@misc{indiciaef26552ab76e5,
  title = {The marshes of Delaware, their improvement and preservation},
  author = {J.H. Steenis and N.G. Wilder and H.P. Cofer and R.A. Beck},
  year = {1954},
  url = {https://pubs.usgs.gov/publication/5230076},
  note = {Source identifier: 5230076}
}