Issue Date: January/February 2009

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GEOSTRATA, 2009, January/February, 39-42 Figure 1. Plan of highway, instrumentation, and longwall mine. Two longwall coal mine panels were mined at a depth of approximately 510 ft beneath I-70 east of Washington, PA such that one longwall panel crossed below the highway at two locations. Because mining would result in large ground settlements that could […]

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Categorized as: Geotechnics