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File:SnowballSuffield500t.jpg

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Summary

Description
English: 500 tons of TNT are detonated at Suffield Experimental Station, Alberta on July 17, 1964 as part of Operation Snowball. Black smoke in the background is from burning crude oil to produce a better background for contrast.
Date Taken on 17 July 1964
Source History of Shock Waves, Explosions and Impact: A Chronological and Biographical Reference, Peter O. K. Krehl p 992
Author Defence Research Board currently Defence Research and Development Canada

Licensing

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.

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Captions

Operation Snowball detonation

Items portrayed in this file

depicts

17 July 1964

File history

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Date/TimeThumbnailDimensionsUserComment
current04:36, 14 May 2017Thumbnail for version as of 04:36, 14 May 20171,129 × 706 (321 KB)Crazytrain411User created page with UploadWizard

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