@misc{indiciae91cb7be3a2d7,
  title = {Report of the River Master of the Delaware River for the period December 1, 1989, to November 30, 1990},
  author = {Stanley P. Sauer and William E. Harkness and Bruce E. Krejmas and K. E. White},
  year = {1992},
  doi = {10.3133/ofr9271},
  url = {https://pubs.usgs.gov/publication/ofr9271},
  note = {Source identifier: ofr9271}
}