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Alberta Tar Sands, Alberta Oil Sands 2005.
Tar Sands pit mining is done in benches or steps. These benches are each approximately 12-15 metres high. Giant shovels dig the tar sand and place it into heavy hauler trucks that range in size from 240 tons to the largest trucks, which have a 400-ton capacity.
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Alberta Tar Sands, Alberta Oil Sands 2005.<br />
Tar Sands pit mining is done in benches or steps. These benches are each approximately 12-15 metres high. Giant shovels dig the tar sand and place it into heavy hauler trucks that range in size from 240 tons to the largest trucks, which have a 400-ton capacity.