@misc{indiciaea1264881361c,
  title = {Implementation plan of the National Cooperative Geologic Mapping Program strategy—Great Lakes (Central Lowland and Superior Upland Physiographic Provinces)},
  author = {Christopher S. Swezey and Charles D. Blome and Kevin A. Kincare and Scott C. Lundstrom and Byron D. Stone and Donald S. Sweetkind and Richard C. Berg and Steven E. Brown and John A. Yellich},
  year = {2022},
  doi = {10.3133/ofr20211120},
  url = {https://pubs.usgs.gov/publication/ofr20211120},
  note = {Source identifier: ofr20211120}
}