TY  - RPRT
TI  - Relations of ammonium minerals at several hydrothermal systems in the western U.S.
AU  - M. D. Krohn
AU  - C. Kendall
AU  - J.R. Evans
AU  - T. L. Fries
PY  - 1993
UR  - https://pubs.usgs.gov/publication/70017337
ID  - 70017337
ER  -