@misc{indiciaed10918fefe81,
  title = {Glacial and postglacial geologic history of Isle Royale National Park, Michigan},
  author = {N. King Huber},
  year = {1973},
  doi = {10.3133/pp754a},
  url = {https://pubs.usgs.gov/publication/pp754A},
  note = {Source identifier: pp754A}
}