TY  - RPRT
TI  - Nitrogen saturation in the Rocky Mountains: Linking emissions, deposition, and ecosystem effects using stable isotopes of nitrogen compounds
AU  - K. Campbell
AU  - L. Nanus
AU  - J.K. Böhlke
AU  - K. Harlin
AU  - J. Collett
PY  - 2007
UR  - https://pubs.usgs.gov/publication/70031627
ID  - 70031627
ER  -