@misc{indiciae21bd35384606,
  title = {Whistle, a nearly dormant geyser in Upper Geyser Basin, Yellowstone National Park, Wyoming; the first geyser to be studied by research drilling},
  author = {Donald Edward White},
  year = {1991},
  doi = {10.3133/b1967},
  url = {https://pubs.usgs.gov/publication/b1967},
  note = {Source identifier: b1967}
}