@misc{indiciae60860c63128a,
  title = {A plan for water-resources investigations in Arkansas, with definitions of hydrologic units},
  author = {R. T. Sniegocki and M. S. Bedinger},
  year = {1970},
  doi = {10.3133/ofr71266},
  url = {https://pubs.usgs.gov/publication/ofr71266},
  note = {Source identifier: ofr71266}
}