@misc{indiciae7c9e111ed8a8,
  title = {Quality of water and time of travel in Little Copiah Creek near Crystal Springs, Mississippi},
  author = {S. J. Kalkhoff},
  year = {1981},
  doi = {10.3133/ofr811069},
  url = {https://pubs.usgs.gov/publication/ofr811069},
  note = {Source identifier: ofr811069}
}