Bargemen, watermen and deck hands alike make ready for nightfall as cabin lanterns and anchor lights wink across the harbor. The "Cohota," newly arrived from Boston, rides at anchor with wet sails drying in the Pacific breeze wafting across Yerba Buena Cove. To the northwest, the sun slips silently behind Telegraph Hill, enfolding the infant city of San Francisco in a gold rush twilight. - CB