California Water Science Center
Sierran Regional Study UnitThe Sierra Regional Study Unit consists of 1 study area encompassing the entire Sierra Nevada (note: the Tahoe/Martis, Central Sierra, and Southern Sierra Study Units are included in the area of the Sierran Regional Study Unit). Portions of 23 of the 58 counties in the State of California are within the study unit (county boundaries indicated by dashed lines) Press release: USGS scientist to discuss two Sierra Nevada groundwater studies Informational meeting: Sierra Regional Study Unit Kick-Off Meeting (7/31/2008) Press release: USGS to discuss Sierra Nevada groundwater study |