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File:FMIB 49846 Green Douglas fir pile driven without previous exposure to sea water, August 14, 1920, at Mare Island Navy Yard, California.jpeg

FMIB_49846_Green_Douglas_fir_pile_driven_without_previous_exposure_to_sea_water,_August_14,_1920,_at_Mare_Island_Navy_Yard,_California.jpeg ‎(719 × 508 pixels, file size: 149 KB, MIME type: image/jpeg)

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Summary edit

Author
English: San Francisco Bay Marine Piling Committee
Description
English: Green Douglas fir pile driven without previous exposure to sea water, August 14, 1920, at Mare Island Navy Yard, California. Pulled October 18, 1920, showing 2 1/2-inch penetration by Teredo navalis
  • Subject: Piling (Civil engineering), Weathering
  • Tag: Coasts
Date 1921
date QS:P571,+1921-00-00T00:00:00Z/9
institution QS:P195,Q219563
Current location
English: Freshwater and Marine Image Bank
Accession number
49846
Source/Photographer
English: San Francisco Bay Marine Piling Committee (1921) Report on the San Francisco Bay Marine Piling Survey, San Francisco, CA: San Francisco Bay Marine Piling Committee
Permission
(Reusing this file)
Public domain This is a photograph from the Freshwater and Marine Image Bank at the University of Washington. Materials in the Freshwater and Marine Image Bank are in the public domain. No copyright permissions are needed. Acknowledgement of the Freshwater and Marine Image Bank as a source for borrowed images is requested.

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Date/TimeThumbnailDimensionsUserComment
current22:08, 17 September 2015Thumbnail for version as of 22:08, 17 September 2015719 × 508 (149 KB)BMacZeroBot (talk | contribs)

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