4,615 followers
Groundwater quality in the Yuba River and Bear River Watersheds, Sierra Nevada, California https://t.co/qrJtgOp7kL https://t.co/PQhIJUODy8
Groundwater quality in the Yuba River and Bear River Watersheds, Sierra Nevada, California https://t.co/qrJtgOp7kL https://t.co/PQhIJUODy8
RT @USGSwaterCA: Tritium from 1950s-60s nuclear testing helps #USGS estimate Yuba & Bear Watershed #groundwater age: https://t.co/WDBB6x4o9…
Tritium from 1950s-60s nuclear testing helps #USGS estimate Yuba & Bear Watershed #groundwater age: https://t.co/WDBB6x4o93 #CAwater https://t.co/vn8HoxJRAG