The cry of "Eureka " in 1848 brought over 200,000 men to what would soon become the state of California. Some went north to the narrow strip of land along California's north coast and there they found "red gold"--that is, redwood timber. As miners became lumbermen, the city of Eureka became the bustling urban center of the region, hewn street by street out of the vast forest that once reached all the way to the Humboldt Bay. Today most ancient redwoods...