TY  - RPRT
TI  - Effects of climatic variations over 11 years on nitrate-nitrogen concentrations in the Raccoon River, Iowa
AU  - K.J. Lucey
AU  - D. A. Goolsby
PY  - 1993
DO  - 10.2134/jeq1993.00472425002200010005x
UR  - https://pubs.usgs.gov/publication/70017727
ID  - 70017727
ER  -