California's Environment
Watersheds
- CalWater -- California watersheds spatial delineation
- California Rivers Assessment
- Geospatial Waterbody System
- Watershed Information and Spatial Data Inventory
- Watershed Projects Inventory
- Watershed Groups Inventory
- Aquatic Diversity of California
- Cosumnes Research Group
- Chollas Creek Snapshot Day Website
- Klamath Resource Information System (KRIS)
- CALFED Bay-Delta Program
- CERES: Watershed Information Technical System (WITS)
