TY  - RPRT
TI  - Millimeter-scale geologic mapping using field spectroscopy techniques
AU  - David C. Buesch
AU  - Daniel E. Ragona
AU  - Mark C. Helmlinger
PY  - 2008
UR  - https://pubs.usgs.gov/publication/70047295
ID  - 70047295
ER  -