@misc{indiciae43c04d36bd0a,
  title = {Ground-water data for Michigan, 1981},
  author = {G.C. Huffman},
  year = {1982},
  doi = {10.3133/ofr82754},
  url = {https://pubs.usgs.gov/publication/ofr82754},
  note = {Source identifier: ofr82754}
}