@misc{indiciae158711b1693b,
  title = {Preliminary integrated geologic map databases for the United States: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, Rhode Island and Vermont},
  author = {Suzanne W. Nicholson and Connie L. Dicken and John D. Horton and Michael P. Foose and Julia A. L. Mueller and Rudi Hon},
  year = {2006},
  doi = {10.3133/ofr20061272},
  url = {https://pubs.usgs.gov/publication/ofr20061272},
  note = {Source identifier: ofr20061272}
}