@misc{indiciae2981c4e10433,
  title = {A geologic overview of Cape Cod; a field trip guide},
  author = {R. N. Oldale},
  year = {1988},
  doi = {10.3133/ofr88392},
  url = {https://pubs.usgs.gov/publication/ofr88392},
  note = {Source identifier: ofr88392}
}