The California Colloquium on Water presents "Berkeley Late Pleistocene to Holocene Evolution of the San Francisco Bay" B. Lynn Ingram, Professor of Earth and Planetary Sciences and Geography, UC Berkeley. Abstract: The San Francisco Bay and Delta are considered the heart of California's water system. A huge region of California (about 40 percent) is drained by rivers that eventually reach the San Francisco Bay. San Francisco Bay is California's largest estuary, and is a vital part of its economy, culture, and landscape. The Bay's inland Delta provides fresh water to two-thirds of the population of California, some twenty three million people. Sediments deposited beneath the Bay, within surrounding...