Back of card: Under this Giant Redwood the "Palo Alto" Nov. 6th to 11th, 1769 - camped Portola and his band - the expedition that discovered San Francisco Bay. This was the assembling point for their reconnoitering parties. Other early exploeres - Den Anza, Vancover also used the tree as a landmark. Earlier, Indians held their council meetings here. "Pictorial Wonderland" Art - Tone Series.