@misc{indiciae87e5de6d2327,
  title = {Binational digital soils map of the Ambos Nogales watershed, southern Arizona and northern Sonora, Mexico},
  author = {Laura Norman},
  year = {2004},
  doi = {10.3133/ofr20041335},
  url = {https://pubs.usgs.gov/publication/ofr20041335},
  note = {Source identifier: ofr20041335}
}