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Originally Posted by ssgharkness020147
What if they used a jack hammer to break through the frost barrier first, in something like a 5x5 area. Could a backhoe get through it after that?
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They tried that one. They rented a jack hammer and couldn't get through it. The guys who's doing the work has a big backhoe, but it doesn't have bucket on it that has appropriate teeth for tearing it out. He own the backhoe.