@misc{indiciae933e50e1169d,
  title = {Measurement of ground water velocity using Rhodamine WT dye near Sheffield, Illinois},
  author = {George Garklavs and L.G. Toler},
  year = {1985},
  doi = {10.3133/ofr84856},
  url = {https://pubs.usgs.gov/publication/ofr84856},
  note = {Source identifier: ofr84856}
}