what a find I am fascinated by such places and it's comforting to know that they stiff exist untouched in some places. Thanks for sharing. I can go see evidence of some old structures left over by the logging industry in the Santa Cruz mountains some going back to the late 1800's. Most if from the 1920's. But they are not untouched and have suffered because of it. Old chinese labor camps used to still be standing when I was a child.