@misc{indiciaee096b9e1bb5c,
  title = {Generalized pre-Pleistocene geologic map of the northern United States Atlantic continental margin},
  author = {Elaine G. A. Weed and J. P. Minard and W. J. Perry and E. C. Rhodehamel and E. I. Robbins},
  year = {1974},
  doi = {10.3133/i861},
  url = {https://pubs.usgs.gov/publication/i861},
  note = {Source identifier: i861}
}