@misc{indiciae66e6e1885d85,
  title = {Predictive spatial modeling of narcotic crop growth patterns},
  author = {Frederick A. Waltz and D. G. Moore},
  year = {1986},
  doi = {10.3133/ofr867},
  url = {https://pubs.usgs.gov/publication/ofr867},
  note = {Source identifier: ofr867}
}