TY  - RPRT
TI  - Maps of the watersheds of the Santa Margarita and San Luis Rey rivers, Riverside and San Diego counties, California, showing ground-water quality data, 1971
AU  - G. A. Irwin
AU  - F. W. Giessner
PY  - 1971
DO  - 10.3133/ofr72180
UR  - https://pubs.usgs.gov/publication/ofr72180
ID  - ofr72180
ER  -