@misc{indiciae53e6fcc84cb4,
  title = {Enhanced marine productivity off western North America during warm climate intervals of the past 52 k.y},
  author = {J.D. Ortiz and S. B. O’Connell and J. DelViscio and W. Dean and J.D. Carriquiry and T. Marchitto and Yen Zheng and A. VanGeen},
  year = {2004},
  doi = {10.1130/g20234.1},
  url = {https://pubs.usgs.gov/publication/70026650},
  note = {Source identifier: 70026650}
}