@misc{indiciaefdcdd851c975,
  title = {Travel time for solutes, upper Sabine River basin, Texas, April 16-30, 1972},
  author = {Willard B. Mills},
  year = {1972},
  doi = {10.3133/ofr72257},
  url = {https://pubs.usgs.gov/publication/ofr72257},
  note = {Source identifier: ofr72257}
}