@misc{indiciae82aaeaadb30e,
  title = {Mapping the floor of Lake Mead (Nevada and Arizona): Preliminary discussion and GIS data release},
  author = {David C. Twichell and VeeAnn A. Cross and Stephen D. Belew},
  year = {2003},
  doi = {10.3133/ofr03320},
  url = {https://pubs.usgs.gov/publication/ofr03320},
  note = {Source identifier: ofr03320}
}