@misc{indiciaed443e0b318bd,
  title = {Sampling and analyzing sediment cores for 210Pb geochronology},
  author = {E. Ann Martin and Cynthia A. Rice},
  year = {1981},
  doi = {10.3133/ofr81983},
  url = {https://pubs.usgs.gov/publication/ofr81983},
  note = {Source identifier: ofr81983}
}