It was not a case of reinventing the wheel when Marion Power Shovel Co., one of America's top three mining-shovel manufacturers, announced its revolutionary Superfront shovel in 1974. It was an ...
Rear view of Silver Spade stripping shovel taken soon after starting work in 1965. Note the size compared with a pickup truck. The Silver Spade at work in 2003. On April 10 this year, the Silver Spade ...
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