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Figure 27 (Above) Image of the major disturbance in the Wabash mine. From Meier and Harper (1981. (Below) The same drawing with interpretation added, depicting the peat deposit torn asunder, with the upper part floated away from the lower. The seam height at the left side of the diagram is approximately 9 ft (2.7 m).
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|current||15:26, 9 July 2020||1,418 × 1,307 (196 KB)||Alan.Myers|