@misc{indiciae5c94bcf0fe2e,
  title = {2009 Observer Survey Report},
  author = {Theresa Crimmins and Alyssa H. Rosemartin and Alexis Lincicome and Jake F. Weltzin},
  year = {2010},
  url = {https://pubs.usgs.gov/publication/70040056},
  note = {Source identifier: 70040056}
}