We are digging 16ft underground.on 18ft we found very hard concrete which is covered with a rock.dimensions of the dig is 21ft by 8ft.we have diverted the hard rock (human made)and below we have found a copper wire of 1mm thickness and a holed thing connected to it.from left to right dissapearing in a very big rocks on both sides. Do we blast the whole concrete?its too hard for our local tools to handle.anyone got an idea outthere?a reward will be given for the right instructions.thanks.
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« Last Edit: September 02, 2012, 11:55:28 am by homefire »
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