TY  - RPRT
TI  - Predicting ground-water vulnerability to nitrate in the Puget Sound Basin
AU  - M. L. Erwin
AU  - A. J. Tesoriero
PY  - 1997
DO  - 10.3133/fs06197
UR  - https://pubs.usgs.gov/publication/fs06197
ID  - fs06197
ER  -