@misc{indiciaeb83451e770da,
  title = {Extinction of montane populations of the northern leopard frog (Rana pippins) in Colorado},
  author = {Paul Stephen Corn and James C. Fogleman},
  year = {1984},
  doi = {10.2307/1563742},
  url = {https://pubs.usgs.gov/publication/70120701},
  note = {Source identifier: 70120701}
}