@misc{indiciaeaf9d2d6901d5,
  title = {Progress report to the Arkansas State Highway and Transportation Department, year ending September 30, 1981},
  author = {R.C. Gilstrap and T.E. Lamb},
  year = {1982},
  doi = {10.3133/ofr8297},
  url = {https://pubs.usgs.gov/publication/ofr8297},
  note = {Source identifier: ofr8297}
}