TY  - RPRT
TI  - Distribution of nitrate and related nitrogen species in the unsaturated zone, Redlands and vicinity, San Bernardino County, California
AU  - John M. Klein
AU  - Wesley L. Bradford
PY  - 1979
DO  - 10.3133/wri7960
UR  - https://pubs.usgs.gov/publication/wri7960
ID  - wri7960
ER  -