@misc{indiciae540fc186c169,
  title = {Record of the North American southwest monsoon from Gulf of Mexico sediment cores},
  author = {R.Z. Poore and M.J. Pavich and H. D. Grissino-Mayer},
  year = {2005},
  doi = {10.1130/g21040.1},
  url = {https://pubs.usgs.gov/publication/70029070},
  note = {Source identifier: 70029070}
}