TY  - RPRT
TI  - Relations of Water Quality to Agricultural Chemical Use and Environmental Setting at Various Scales - Results from Selected Studies of the National Water-Quality Assessment Program
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 2008
DO  - 10.3133/fs20073088
UR  - https://pubs.usgs.gov/publication/fs20073088
ID  - fs20073088
ER  -