@misc{indiciaef042d386f781,
  title = {Biogeochemical variability of plants at native and altered sites, San Juan Basin, New Mexico},
  author = {L. P. Gough and R. C. Severson},
  year = {1981},
  doi = {10.3133/pp1134d},
  url = {https://pubs.usgs.gov/publication/pp1134D},
  note = {Source identifier: pp1134D}
}