Originally Posted by BadNick

Tul,
I have to think you're right about the diving technicalities but I don't know the answer...a short story that's close to the Dead Sea but actually in the Red Sea/Suez Canal area, and something you would appreciate since you're a diving expert: a retired Navy diver buddy of mine back years ago, I guess it had to be a couple years after the 1967 war in the Middle East, got a high paying job diving in the Suez & Red Sea and tagging mines...he just had to mark the mine locations with a bouy without blowing himself up so they could be removed later so shipping wouldn't be endangered...back then he was paid like $1000/day and that was real money back then!