TY  - RPRT
TI  - Plan of study to determine if the isotopic ratios [delta]15 N and [delta]18 O can reveal the sources of nitrate discharged by the Mississippi River into the Gulf of Mexico
AU  - William A. Battaglin
AU  - Carol Kendall
AU  - Donald A. Goolsby
AU  - Laurie L. Boyer
PY  - 1997
DO  - 10.3133/ofr97230
UR  - https://pubs.usgs.gov/publication/ofr97230
ID  - ofr97230
ER  -