TY  - RPRT
TI  - Quality of nutrient data from streams and ground water sampled during water years 1992-2001
AU  - David K. Mueller
AU  - Cindy J. Titus
PY  - 2005
DO  - 10.3133/sir20055106
UR  - https://pubs.usgs.gov/publication/sir20055106
ID  - sir20055106
ER  -