@misc{indiciae6aab894ed0f4,
  title = {Wildlife and wildlife habitat values of Alcatraz Island, Golden Gate National Recreation Area, San Francisco, California},
  author = {T. Pollak and J. A. Howell},
  year = {1991},
  url = {https://pubs.usgs.gov/publication/96723},
  note = {Source identifier: 96723}
}