TY - RPRT TI - Network controls on mean and variance of nitrate loads from the Mississippi River to the Gulf of Mexico AU - John T. Crawford AU - Edward G. Stets AU - Lori A. Sprague PY - 2019 DO - 10.2134/jeq2018.12.0435 UR - https://pubs.usgs.gov/publication/70207024 ID - 70207024 ER -