10-20 years...gez there must be a lot of cables down there then. I am sure that some kind of salvage operation would be worthwhile if well thought out...it woul

10-20 years...gez there must be a lot of cables down there then. I am sure that some kind of salvage operation would be worthwhile if well thought out...it wouldnt be easy to do it at a profit but i could sure go for a few thousand kg of copper!