This photo of a spyder excavator working on a slope west of the Golden Gate Bridge is one of my favorites, and I didn't even shoot it. The project was to remove two cliff-side landfills from the Presidio of San Francisco. We used spyder excavators, conveyors and a bucket brigade of long-stick excavators to remove 73,000 tons of debris. The job was a lot of fun, although the 30 mph winds that came up nearly every afternoon made dust control an occasional problem. We uncovered all kinds of junk including several pieces of post-civil war unexploded ordnance. The possibility of lurking explosives kept everyone on their toes, lest they lose their toes, or worse. We also learned about the differences between the military's approach to ordnance disposal and the SFPD's Bomb Squad approach...but that's a post for another day.
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