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Diligent_Nature t1_jdwmr92 wrote

If it isn't too deep you could run a snake through it and use a metal detector.

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iamintheforest OP t1_jdwqlit wrote

i've done that. Just runs me into the other metal that is the vicinity and then i'm just back to exploratory shoveling!

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Strange-Grand t1_jdws973 wrote

Put something big on the end of the snake. A gasline fitting would work. Zero the metal detector in the place you will be holding it. You need someone to move the snake in and out about a meter while you hold the metal detector still. When you get a hit, mark it and move in a grid. Rezero, and repeat until you determine where the center of the strongest signal is. If it isnt too deep, you could use a powerful fishing magnet as well.

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