TY  - RPRT
TI  - Transport of nitrate in the Mississippi river in July-August 1999
AU  - Richard H. Coupe
AU  - Donald A. Goolsby
AU  - William A. Battaglin
AU  - John Karl Bohlke
AU  - Peter B. McMahon
AU  - Carol Kendall
PY  - 2013
UR  - https://pubs.usgs.gov/publication/70155850
ID  - 70155850
ER  -