TY  - RPRT
TI  - Geospatial data for developing nutrient SPARROW models for the Midcontinental region of Canada and the United States
AU  - Ivana Vouk
AU  - Richard S. Burcher
AU  - Craig M. Johnston
AU  - R. Wayne Jenkinson
AU  - David A. Saad
AU  - John S. Gaiot
AU  - Glenn A. Benoy
AU  - Dale M. Robertson
AU  - Michael Laitta
PY  - 2018
DO  - 10.4224/23004810
UR  - https://pubs.usgs.gov/publication/70201703
ID  - 70201703
ER  -