@misc{indiciaec0cadc66f79a,
  title = {Some climatic indicators in the period A.D. 1200-1400 in New Mexico},
  author = {Luna Bergere Leopold and Estella B. Leopold and F. Wendorf},
  year = {1963},
  url = {https://pubs.usgs.gov/publication/70185607},
  note = {Source identifier: 70185607}
}