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File:DRY DOCK NO. 5, DETAIL OF CAISSON, LOOKING SOUTHWEST. - Naval Base Philadelphia-Philadelphia Naval Shipyard, Dry Dock No. 5, League Island, Philadelphia, Philadelphia County, HAER PA,51-PHILA,709E-19.tif

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DRY DOCK NO. 5, DETAIL OF CAISSON, LOOKING SOUTHWEST. - Naval Base Philadelphia-Philadelphia Naval Shipyard, Dry Dock No. 5, League Island, Philadelphia, Philadelphia County, PA
Title
DRY DOCK NO. 5, DETAIL OF CAISSON, LOOKING SOUTHWEST. - Naval Base Philadelphia-Philadelphia Naval Shipyard, Dry Dock No. 5, League Island, Philadelphia, Philadelphia County, PA
Depicted place Pennsylvania; Philadelphia County; Philadelphia
Date Documentation compiled after 1968
Dimensions 4 x 5 in.
Current location
Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA http://hdl.loc.gov/loc.pnp/pp.print
Accession number
HAER PA,51-PHILA,709E-19
Credit line
This file comes from the Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER) or Historic American Landscapes Survey (HALS). These are programs of the National Park Service established for the purpose of documenting historic places. Records consist of measured drawings, archival photographs, and written reports.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

Notes
  • Significance: This rectangular drydock has vertical concrete walls and a flat concrete floor formed on steel pilings. It is an example of a large WWII-era drydock built using the tremie method developed by F.R. Harris, Rear Admiral, U.S. Army.
  • Survey number: HAER PA-387-E
Source https://www.loc.gov/pictures/item/pa3397.photos.359837p
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Object location39° 57′ 07.99″ N, 75° 09′ 51.01″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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current01:46, 1 August 2014Thumbnail for version as of 01:46, 1 August 20145,000 × 4,030 (19.22 MB)Fæ (talk | contribs)GWToolset: Creating mediafile for Fæ. HABS 31 July 2014 (3000:3200)

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