article_snippet.sent: A large inland estuary east of San Francisco, the Delta is fed by rivers of freshwater flowing down from the Sierra Nevada and northern mountain ranges.
article_snippet.sent: Located at sea level, A large inland estuary east of San Francisco, the Delta is fed by rivers of freshwater flowing down from the Sierra Nevada and northern mountain ranges consists of large tracts of farmland separated by rivers that are subject to tidal ebbs and flows.
article_snippet.sent: Most of the freshwater washes out to the Pacific Ocean through the San Francisco Bay.