January 20, 2009 Science Source
EN_00304854_0037
![January 20, 2009 Science Source](img/medium/arch0/dvd0471/29/EN_00304854_0037.jpg)
Ripple Rock exposion in Seymour Narrows, British Columbia, 1958.This was the largest non-atomic blast ever set off at the time. It ripped out tow great mountain peaks, long a peril to ships in the inland passage to Alaska. Some 2,750,000 pounds of "Nitramex" 2H blasting agent supplied by Du Pont of Canada lifted 700,000 tons of water and rock, and ripped asunder Ripple Rock, the underwater mountain.
2010-01-05
EAST NEWS
Science Source
Science Source
9a7695
3,06MB
42cm x 34cm przy 300dpi
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