Digging a trench for cable,
I guess one of those electronic treasure finders might work ok to some
extent.Might find some old gold dubloons down under there too.I have a
little hand held metal detector I bought at the Goodwill store a few
years ago,it works great for short distances.Sort of like those
electronic devices for finding studs in walls by dectecting where the
nails are.
cuhulin
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