@misc{indiciae3f0e7915b31d,
  title = {Ground-water data for Michigan 1979},
  author = {G.C. Huffman},
  year = {1980},
  doi = {10.3133/ofr801212},
  url = {https://pubs.usgs.gov/publication/ofr801212},
  note = {Source identifier: ofr801212}
}