Keywords: FMIB 49844 Radial section through pile, outer part of four-inch penetration.jpeg check categories 17 September 2015 3 Radial section through pile outer part of four-inch penetration 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 20 Fig 2 San Francisco Bay Marine Piling Committee PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 49844 Images from the Freshwater and Marine Image Bank to check San Francisco Bay Marine Piling Committee Piles structural Weathering |