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General Mine Plan Compliance <br /> The operator is currently longwall mining in Panel El near crosscut 58 and has completed mining of <br /> approximately V, of the panel length or about 4500 feet,moving generally in an cast to west direction. <br /> Development mining continues in Panel E2. Coal market conditions have slowed mining progress <br /> somewhat within the last 6-12 months. <br /> Subsidence <br /> Mining within the E seam in the South of Divide (SOD) area will result in subsidence of roads,stock <br /> ponds, streams and ditches, buildings, rock cliffs and other features such as wells, flumes, and road <br /> culverts. A prescriptive plan for monitoring of these various features is detailed in pages 2.05-107 <br /> through pages 2.05-184 of the approved permit. At the present time, few features have been <br /> undermined. As mining progresses into panels E2.and E3, many more structures and hydrologic <br /> features will undergo subsidence. <br /> The vast majority of land is covered in a dense vegetative cover of oakbrush, chokecherry and service <br /> berry in addition to large areas of aspen and coniferous trees, making identification of potential <br /> subsidence impacts at the surface difficult, especially during the summer months. On this day, the <br /> ground inspection began above the eastern portion of Panel El, looking generally to the west,as shown <br /> in the photograph below. <br /> s <br /> Methane degas wells Possible stockpond <br /> 4 <br />