@misc{indiciae2cfe8ee32705,
  title = {Quaternary geologic map of the Chesapeake Bay 4 degrees x 6 degrees quadrangle, United States},
  year = {1987},
  doi = {10.3133/i1420(nj18)},
  url = {https://pubs.usgs.gov/publication/i1420(NJ18)},
  note = {Source identifier: i1420(NJ18)}
}