@misc{indiciaec3601359669b,
  title = {Radiocarbon age of the damariscotta shell heaps},
  author = {W.H. Bradley},
  year = {2017},
  doi = {10.2307/276571},
  url = {https://pubs.usgs.gov/publication/70219988},
  note = {Source identifier: 70219988}
}