TY  - RPRT
TI  - Hydrogeologic Provinces for California based upon established groundwater basins and watershed polygons
AU  - Tyler D. Johnson
AU  - Kenneth Belitz
PY  - 2003
DO  - 10.3133/ofr03470
UR  - https://pubs.usgs.gov/publication/ofr03470
ID  - ofr03470
ER  -