@misc{indiciaeaf8b46f9df14,
  title = {Geology of the Negaunee quadrangle, Marquette County, Michigan},
  author = {Willard P. Puffett},
  year = {1974},
  doi = {10.3133/pp788},
  url = {https://pubs.usgs.gov/publication/pp788},
  note = {Source identifier: pp788}
}