@misc{indiciae45e7af7c3513,
  title = {Summary of ground-water conditions in Michigan in 1964},
  author = {P.R. Giroux and G.C. Huffman},
  year = {1965},
  doi = {10.3133/ofr6563},
  url = {https://pubs.usgs.gov/publication/ofr6563},
  note = {Source identifier: ofr6563}
}