The ‘open pit’ mining method was
selected in 1953 for the Com-
pany’s mine at Cassiar, B.C. Be-
cause the ore body dips into the
mountain millions of tons of waste
must be removed every year.

At Cassiar and Clinton Creek waste and ore is prepared for
blasting by rotary drills which produce nine inch holes for
explosives. Shovels and front end loaders are used to load
waste and ore into 50 to 85 ton capacity trucks.

Cassiar’s new tramline is 15,370 feet long and travels 600
feet per minute. Its 140 buckets can automatically load and
deliver 300 tons of ore per hour from mine to mill.

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