@misc{indiciaefc4b9849a89c,
  title = {Millimeter-scale geologic mapping using field spectroscopy techniques},
  author = {David C. Buesch and Daniel E. Ragona and Mark C. Helmlinger},
  year = {2008},
  url = {https://pubs.usgs.gov/publication/70047295},
  note = {Source identifier: 70047295}
}