Remember digging a hole at the beach with your pail and shovel? It’s pretty easy to dig in sand when its grains are held together somewhat by moisture. Dig down far enough, though, and the hole fills with water. Then its sides collapse, and you end up with a shallow depression.
Well, that’s something like what we found when replacing a 35-year-old foundation that had been heaving up under a large garage on one of the properties I manage.
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