TY  - RPRT
TI  - Regional and temporal differences in nitrate trends discerned from long-term water quality monitoring data
AU  - Edward G. Stets
AU  - Valerie J. Kelly
AU  - Charles G. Crawford
PY  - 2015
DO  - 10.1111/1752-1688.12321
UR  - https://pubs.usgs.gov/publication/70171529
ID  - 70171529
ER  -