@misc{indiciaee0c5597dad1e,
  title = {Challenge theme 1: Understanding and preserving ecological resources: Chapter 3 in United States-Mexican Borderlands: Facing tomorrow's challenges through USGS science},
  author = {J. Bruce Moring and Diana M. Papoulias and Charles van Riper},
  year = {2013},
  doi = {10.3133/cir13803},
  url = {https://pubs.usgs.gov/publication/cir13803},
  note = {Source identifier: cir13803}
}