Very interesting photos Brin. What always gets to me is the inordinate amount of progress made in such a short time. When I was in the Dakotas a few years ago, I visited gold mines from the mid to late 1800,s. If one didn't see the rotted and weather beaten wood of their quarters and equipment, you'd think someone was digging their last Saturday. A hundred or so years to time is nothing more than a breath.