@misc{indiciae8f7fd8141e89,
  title = {Biota of Lake Mead National Recreation Area, annotated checklist and bibliography, preliminary project report \#1},
  author = {W.E. Niles and C. L. Douglas},
  year = {1977},
  url = {https://pubs.usgs.gov/publication/2002197},
  note = {Source identifier: 2002197}
}