@misc{indiciae7016eb287ade,
  title = {Time-of-travel data for Nebraska streams, 1968 to 1977},
  author = {L. R. Petri},
  year = {1984},
  doi = {10.3133/ofr84602},
  url = {https://pubs.usgs.gov/publication/ofr84602},
  note = {Source identifier: ofr84602}
}