This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB Section of new creosoted piles delivered on San Francisco Bay showing uneven penetration of creosote.jpeg check categories September Section of new creosoted piles delivered on San Francisco Bay showing uneven penetration of creosote Subject Piling Civil engineering Weathering Tag Coasts Cite book Report on the San Francisco