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Fall 2018 Subsidence and Geologic Field Observations <br /> Southern Panels Mining Areas <br /> directly beneath Dry Fork. Of related significance is the lack of observed cracks in alluvial <br /> materials. <br /> 9. Subsidence-related effects were observed during the fall 2018 field visit at various <br /> locations above recently-mined E-seam Longwall Panel E7 (i.e., from MVB E7-8 to E7- <br /> 12). All subsidence-related features were within the expected angle of draw for the E-seam <br /> and were generally focused in areas of maximum temporary tensile stress, such as above <br /> current or recent longwall mining activities. <br /> 831-032.900 Wright Water Engineers, Inc. Page 24 <br /> April 2019 <br />