@misc{indiciae79a193464cdb,
  title = {Potential impacts of the Black Canyon Bridge on bighorn sheep: A reevaluation using a GIS habitat evaluation model},
  author = {D.W. Ebert and C. L. Douglas},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/2002282},
  note = {Source identifier: 2002282}
}