TY  - RPRT
TI  - Evaluating regional patterns in nitrate sources to watersheds in national parks of the Rocky Mountains using nitrate isotopes
AU  - L. Nanus
AU  - M.W. Williams
AU  - K. Campbell
AU  - E.M. Elliott
AU  - C. Kendall
PY  - 2008
DO  - 10.1021/es800739e
UR  - https://pubs.usgs.gov/publication/70000128
ID  - 70000128
ER  -