TY  - RPRT
TI  - Effects of nutrient management on nitrate levels in ground water near Ephrata Pennsylvania
AU  - David W. Hall
PY  - 2005
DO  - 10.1111/j.1745-6584.1992.tb01558.x
UR  - https://pubs.usgs.gov/publication/70017118
ID  - 70017118
ER  -