@misc{indiciaed217a1b1a575,
  title = {Assessment of geochemical and hydrologic conditions near Old Yuma Mine in Saguaro National Park, Arizona, 2014–17},
  author = {Kimberly R. Beisner and Floyd Gray},
  year = {2018},
  doi = {10.3133/sir20185019},
  url = {https://pubs.usgs.gov/publication/sir20185019},
  note = {Source identifier: sir20185019}
}