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• 2.05.3(2) <br />Coal dust will be controlled using good housekeeping, wetting face <br />areas, rock dusting and ventilation. Large quantities of coal dust <br />will be prevented from accumulating on the surface of any type of <br />equipment capable of producing heat or sparks. All working areas <br />and return enures will be rock dusted to prevent dangerous <br />accumulations of coal dust. <br />All mining equipment or operational areas which are subject to <br />large concentrations of dust will be equipped with water sprayers <br />at the source to keep airborne dust to a minimum. Adequate <br />ventilation will be provided to each working face to quickly move <br />dust particles during the course of mining. The mine operation <br />will comply with MSHA rules and regulations to keep respirable dust <br />to a minimum. Sampling will be done as outlined by MSHA. <br />Operation Description <br />A detailed narrative description of the land to be affected within <br />the permit area and the planned mining activities is provided under <br />the heading Production Methods and Eauipment. The mining plan is <br />• graphically portrayed on the B-Seam Mine Plan Map (Map 9A). The <br />portal areas and other surface support facilities to be affected by <br />the planned mine operation are shown on the Mine Facilities Map <br />(Map 10). <br />As described earlier, the Operator will be utilizing a room and <br />pillar method of underground mining. The surface area necessary to <br />facilitate underground mining will be less than 10 acres. The <br />extent of underground workings will be on the order of <br />approximately 55 acres per year for 500,000 tons annual average <br />production. (55 acres X 10 feet of coal X 1800 tons/acre-foot X 508 <br />overall recovery = 495,000) <br />2.05-17 Rev. 11-30-93 <br />