File:SnowballSuffield500t.jpg
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editDescriptionSnowballSuffield500t.jpg |
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
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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:
it was not subject to Crown copyright, and
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