@misc{indiciae6dafc5418164,
  title = {Time-of-travel study in the Sebasticook River basin, Maine},
  author = {Gene W. Parker},
  year = {1981},
  doi = {10.3133/ofr81545},
  url = {https://pubs.usgs.gov/publication/ofr81545},
  note = {Source identifier: ofr81545}
}