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Memo <br />Page 2 <br />tension zone which would tend to pull this slab away from the remainder of the structure. <br />Another possible explanation would be the natural settlement of the ground, but in this case, I <br />would think the longwall subsidence the more likely source. <br />Lastly, the cabin siding is buckled and twisted. While this certainly could be caused by the <br />subsidence movement of the home, I believe the damage to be the result of the lack of provisions <br />when mounting the siding for the normal heat induced expansion and contraction of the tnaterial. <br />If subsidence were the cause, I would expect to see most of the damage on the North and South <br />face of the cabin, with the East and West lightly damaged, or with no damage at all. Also, the <br />damage should have been concentrated on the Eastern 1/2 of the North and South face of the <br />cabin, and followed a pattern relating to the concentrations of stress in the structure. In other <br />words it should radiate out from windows or door frames. The damage appeared irregular to me, <br />with none such pattern. <br />This concludes my report on the condition of the cabin. One interesting observation made <br />as we were leaving was the cabin appears to have a definite list to the East when viewed from the <br />North side. However, I have been told the survey data on the structure indicates it has settled in <br />an even fashion. This is surprising to me, and may be explained by the fact the cabin was not <br />constructed level in the first place, or that the Gst is an optical illusion. <br />'r <br />