No. 114 Yerba Buena Shoals Dredger San Joaquin July 9, 1936 Time 1 PM; Scope and content: View from Yerba Buena Island looking Northeast across San Francisco Bay. Berkeley, California is in the background. The San Joaquin, known as a pipeline dredge, siphoned seabed sediment from one location and pumped it to another.

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Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No

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