@misc{indiciaec9bb1db5c09b,
  title = {Sanctuaries for lake trout in the Great Lakes},
  author = {Jon G. Stanley and Randy L. Eshenroder and Wilbur L. Hartman},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/70171182},
  note = {Source identifier: 70171182}
}