@misc{indiciaeaebca169aa02,
  title = {Geology and ground-water resources of Portage County, Ohio},
  author = {John Durfee Winslow and George Willard White},
  year = {1966},
  doi = {10.3133/pp511},
  url = {https://pubs.usgs.gov/publication/pp511},
  note = {Source identifier: pp511}
}