@misc{indiciaeb22537f4beea,
  title = {Earth Mapping Resources Initiative protocols—Sampling hard-rock mine waste and perpetual mine water sources},
  author = {Kate M. Campbell and Robert R. Seal and Nadine M. Piatak and Jaime S. Azain and Jean M. Morrison and Sarah Jane White and Andrew H. Manning and Katherine Walton-Day and JoAnn M. Holloway and Bronwen Wang},
  year = {2025},
  doi = {10.3133/sir20255068},
  url = {https://pubs.usgs.gov/publication/sir20255068},
  note = {Source identifier: sir20255068}
}