@misc{indiciae13115ca40fb3,
  title = {Water resources data for Michigan},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1964},
  doi = {10.3133/855},
  url = {https://pubs.usgs.gov/publication/855},
  note = {Source identifier: 855}
}