@misc{indiciae16c31353ab27,
  title = {The effects of an ATV/Motorcycle OHV race upon course widening. SNARE, Nelson Hills ATV/Motorcycle race, December 5, 1993},
  author = {P.A. Medica},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/96313},
  note = {Source identifier: 96313}
}