@misc{indiciae10d5359fa5d6,
  title = {Geology and hydrology for environmental planning in Marquette County, Michigan},
  author = {F. R. Twenter},
  year = {1981},
  doi = {10.3133/wri8090},
  url = {https://pubs.usgs.gov/publication/wri8090},
  note = {Source identifier: wri8090}
}