TY  - RPRT
TI  - Annual dissolved nitrite plus nitrate and total phosphorous loads for the Susquehanna, St. Lawrence, Mississippi-Atchafalaya, and Columbia River basins, 1968-2004
AU  - Brent T. Aulenbach
PY  - 2006
DO  - 10.3133/ofr20061087
UR  - https://pubs.usgs.gov/publication/ofr20061087
ID  - ofr20061087
ER  -