@misc{indiciaebf99c631c50b,
  title = {Side-scan sonar imaging of the Colorado River, Grand Canyon},
  author = {Roberto Anima and Florence L. Wong and David Hogg and Peter Galanis},
  year = {2007},
  doi = {10.3133/ofr20071216},
  url = {https://pubs.usgs.gov/publication/ofr20071216},
  note = {Source identifier: ofr20071216}
}