File:Pontoon Bridge built to help build the Alaska Highway -a.jpg

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Pontoon_Bridge_built_to_help_build_the_Alaska_Highway_-a.jpg (350 × 231 pixels, file size: 16 KB, MIME type: image/jpeg)

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English: Pontoon bridge beside timber bridge being constructed with pile driver, 1942. Pontoon bridges were "quick and dirty" structures that allowed equipment and men to cross rivers early in 1942 before timber bridges could be constructed.

YUKON ARCHIVES. BOB ORMBREK FONDS, 90/52 #5, PHO 406
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Source http://www.alaskahighwayarchives.ca/en/chap2/2sectiongallery.php
Author Unknown authorUnknown author
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This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following:
1. it was subject to Crown copyright and was first published more than 50 years ago, or

it was not subject to Crown copyright, and

2. it is a photograph that was created prior to January 1, 1949, or
3. the creator died prior to January 1, 1972.
You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and Venezuela is 60 years.

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Date/TimeThumbnailDimensionsUserComment
current02:32, 11 April 2019Thumbnail for version as of 02:32, 11 April 2019350 × 231 (16 KB)Geo Swan (talk | contribs){{Information |Description={{en|1=Pontoon bridge beside timber bridge being constructed with pile driver, 1942. Pontoon bridges were "quick and dirty" structures that allowed equipment and men to cross rivers early in 1942 before timber bridges could be constructed. <p>YUKON ARCHIVES. BOB ORMBREK FONDS, 90/52 #5, PHO 406}} |Source=http://www.alaskahighwayarchives.ca/en/chap2/2sectiongallery.php |Date=1942 |Author=unknown |Permission={{PD-Canada}} |other_versions= }} [[Category:Pontoon bridg...

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