@misc{indiciae012d2da4b54e,
  title = {Surveys for presence of Oregon spotted frog (Rana pretiosa): background information and field methods},
  author = {Christopher A. Pearl and David Clayton and Lauri Turner},
  year = {2010},
  url = {https://pubs.usgs.gov/publication/70004673},
  note = {Source identifier: 70004673}
}