TY  - RPRT
TI  - NLEAP/GIS approach for identifying and mitigating regional nitrate-nitrogen leaching
AU  - M.J. Shaffer
AU  - M.D. Hall
AU  - B.K. Wylie
AU  - D.G. Wagner
PY  - 2015
DO  - 10.2136/sssaspecpub48.c17
UR  - https://pubs.usgs.gov/publication/70182513
ID  - 70182513
ER  -