Keywords: FMIB 49834 Untreated Douglas fir pile from 16-foot dolphin at Southern Pacific Alameda Mole, driven February, 1919, removed Nobember 1920.jpeg check categories 17 September 2015 3 Untreated Douglas fir pile from 16-foot dolphin at Southern Pacific Alameda Mole driven February 1919 removed Nobember 1920 on account of destruction at mud-line by Xylotrya Limnoria and Teredo navalis Subject Piling Civil engineering Weathering 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 15 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49834 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Piles structural Weathering |