@misc{indiciae814d50d2896f,
  title = {Alteration mapping using multispectral images: Cuprite mining district, Esmeralda County, Nevada},
  author = {Roger P. Ashley and Michael J. Abrams},
  year = {1980},
  doi = {10.3133/ofr80367},
  url = {https://pubs.usgs.gov/publication/ofr80367},
  note = {Source identifier: ofr80367}
}