Keywords: FMIB 49877 Pile from Associated Oil Co wharf, Port Costa; driven with bark on, presumably in 1910, removed in 1921 Borers attacked where.jpeg check categories 17 September 2015 3 Pile from Associated Oil Co wharf Port Costa; driven with bark on presumably in 1910 removed in 1921 Borers attacked where bark protection was damaged Subject Piling Civil engineering Weathering Tag Coasts 1922 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 1922 2nd Plate 1 Fig 1 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49877 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Piles structural Weathering |