A 1C/M Bucket Retro-Excavator, I envision this to be a large back-hoe on steel tracks. Something like that could easily go down 10-15 feet. To go down 100 feet you would definitely need a large dredger system. A journey of a thousand miles begins with one step !!! We're on our way !!!
You are right about that. As soon as expenses are covered they plan on banking it to add to shareholder value. They are also starting alluvial gold extraction this week.