Blossom Rock was a serious navigational hazard to sailing ships entering or leaving San Francisco Bay in the 19th century. It was formally reported by Captain F. Beechey of the Royal Navy ship HMS Blo
Frederick William Beechey, RN, Discoverer of Blossom Rock. Portrait ca. 1822
Captain R.S. Williamson, U.S. Army Corps of Engineers led initial stages of Blossom Rock removal (photo c. 1860-1863).
Yerba Buena Island
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Yerba Buena Island sits in San Francisco Bay within the borders of the City and County of San Francisco. The Yerba Buena Tunnel runs through its center and connects the western and eastern spans of th
Yerba Buena Island with the San Francisco–Oakland Bay Bridge in the foreground
Aerial photo of Treasure Island (top) and Yerba Buena Island (bottom)
Yerba Buena Tunnel, a double-deck tunnel, carries Bay Bridge traffic between the eastern and western spans, seen here westbound
View of new housing developments and the San Francisco-Oakland Bay Bridge.