^Here are a couple of the display boards from the informal information session in January 2016:
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Rather amazing that one shovel at the bottom of the pit can hand off materials to another one parked on the edge (!) of the pit above, which then swings it into a truck to cart it away…
Here is an "action shot" of that movement. It was pretty neat to watch them coordinate!
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It is actually what the usually do - you just need to be around for the week or two when it's happening.Ha! That's neat. I've never seen them do that before.