@misc{indiciaef9999ef98414,
  title = {Hydrology and trout populations of cold-water rivers of Michigan and Wisconsin},
  author = {G. E. Hendrickson and R. L. Knutilla},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70176804},
  note = {Source identifier: 70176804}
}