Keywords: FMIB 49847 Pile coated with solid asphalt, grade D, applied hot, showing 2-inch peneration by Teredo.jpeg check categories 17 September 2015 3 Pile coated with solid asphalt grade D applied hot showing 2-inch peneration by Teredo 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 22 Fig 2 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49847 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Piles structural Weathering |