@misc{indiciaecb5326871dcc,
  title = {Surficial geology of the Salem quadrangle, Massachusetts},
  author = {Robert N. Oldale},
  year = {1964},
  doi = {10.3133/gq271},
  url = {https://pubs.usgs.gov/publication/gq271},
  note = {Source identifier: gq271}
}