TY  - RPRT
TI  - Effects of agriculture and urbanization on quality of shallow ground water in the arid to semiarid western United States, 1993-2004
AU  - Angela P. Paul
AU  - Ralph L. Seiler
AU  - Timothy G. Rowe
AU  - Michael R. Rosen
PY  - 2007
DO  - 10.3133/sir20075179
UR  - https://pubs.usgs.gov/publication/sir20075179
ID  - sir20075179
ER  -