Keywords: FMIB 49817 Outer end of Pier 34, San Francisco, during construction, showing Holmes cylinders.jpeg check categories 17 September 2015 4 Outer end of Pier 34 San Francisco during construction showing Holmes cylinders Subject Piers Piling Civil engineering San Francisco California Geographic Subject United States--California--San Francisco Tag Coasts 1921 Cite book Report on the San Francisco Bay Marine Piling Survey San Francisco Bay Marine Piling Committee San Francisco CA San Francisco Bay Marine Piling Committee 1921 1st Plate 6 Fig 2 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49817 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Piers Piles structural History of San Francisco |