San Jose is the "Capital of the Silicon Valley," the high-rise, economic engine of advanced technology. Yet it was once a verdant valley, inhabited by wildlife, waterfowl, and the native Ohlone people. The Spanish who founded California's first civilian settlement here in 1777 named it for Saint Joseph, the patron saint of the Spanish Expedition. Their farms fed the soldiers at the Monterey and San Francisco presidios, beginning an agricultural industry...