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Arkivo:Quebec Bridge Construction 1917.JPG

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Titulo

Deskripto
English: Photographs of the lifting of the center span of the Quebec Bridge in place, 1919, considered to be a major engineering achievement for the day.
Dato
Fonto "Popular Mechanics" Magazine Dec 1919
Autoro NekonataUnknown author

Licencizo

Public domain
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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Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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Dato/HoroMiniaturoDimensioniUzeroKomento
aktuala17:45, 2 feb. 2009Imajeto di versiono ye 17:45, 2 feb. 2009450 × 685 (77 KB)Pmcyclist{{Information |Description={{en|1=Photographs of the lifting of the center span of the Quebec Bridge in place, 1919, considered to be a major engineering achievement for the day.}} |Source="Popular Mechanics" Magazine Dec 1919 |Author=Unknown |Date=1919 |

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