@misc{indiciaedcc9761f3e07,
  title = {Water supply potential of the Lake Sally System, Marquette County, Michigan},
  author = {Norman G. Grannemann},
  year = {1978},
  doi = {10.3133/ofr781046},
  url = {https://pubs.usgs.gov/publication/ofr781046},
  note = {Source identifier: ofr781046}
}