Post 1906 Earthquake and Fire, view southeast from Crocker Mansion grounds on California Street between Taylor and Jones Streets. Reconstruction in progress. Buildings around Union Square at left, including Whittell Building, Butler Building, St. Francis Hotel with annex construction in progress, Flood Building. Ruins of A. N. Towne mansion on California Street at far left center. The building's portico was moved to Lloyd Lake in Golden Gate Park in 1909 and became known as Portals of the Past.