The Marion-Dresser walking dragline is so heavy it can’t move on wheels or tracks – instead it has to ‘walk’ on feet more than 80 feet long. It’s massive because it has a massive job to do – mining coal in the Rocky Mountains to provide electricity for thousands of homes and businesses across Colorado.
The Tucker 2000 XL Sno-Cat is an all-terrain vehicle specially adapted for military and search and rescue applications, but this one isn’t fighting. It has to bring a team of NOAA engineers to repair a remote mountain-top radar station to keep the local airport open during the Christmas travel rush.
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