... or delay detonators beenused. When the season of thunderstorm passedlowtension electric detonators were used satisfactorily. The holeswere 14 inch and lt inch diameterby 8 inches. Gelignite was used. The front row verticals wereloaded solid to within 3 feet of the top and thremaining 3 feet was stemmed...

... was stated tohave been No. 2 Polar Ammon gelignite. In some of the more recent dams in Australia a different type of explosive, with less shattering effect, had been preferred for dam-foundations. At the Stanley River dam (for a reservoir with a capacity of 725,000 acre-feet) which was a t present being...