@misc{indiciae1e9054720b2e,
  title = {Soil compaction vulnerability at Organ Pipe Cactus National Monument, Arizona},
  author = {Robert H. Webb and Kenneth E. Nussear and Shinji Carmichael and Todd C. Esque},
  year = {2014},
  doi = {10.3133/ofr20141048},
  url = {https://pubs.usgs.gov/publication/ofr20141048},
  note = {Source identifier: ofr20141048}
}