TY  - RPRT
TI  - Assessing mine drainage pH from the color and spectral reflectance of chemical precipitates
AU  - D.J. Williams
AU  - J.M. Bigham
AU  - C.A. Cravotta
AU  - S.J. Traina
AU  - J.E. Anderson
AU  - J.G. Lyon
PY  - 2002
DO  - 10.1016/s0883-2927(02)00019-7
UR  - https://pubs.usgs.gov/publication/70024424
ID  - 70024424
ER  -