TY  - RPRT
TI  - An interdisciplinary assessment of regional-scale nonpoint source ground-water vulnerability: Theory and application
AU  - Richard L. Bernknopf
AU  - Laura B. Dinitz
AU  - Keith Loague
PY  - 2001
DO  - 10.3133/pp1645
UR  - https://pubs.usgs.gov/publication/pp1645
ID  - pp1645
ER  -