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. ,_ o Regarding life-of-mine information, please note that the present permit area is also the anticipated life-of-mine premit area. Since the coal seams are steeply dipping at an average of 53 degrees, future mining operations will be downward and not as common in conventional mines outward. Therefore, the present permit outline for the properties under lease or owned by the company will not change. MINE FACILITIES Figure 4.2-3 has been, as suggested by you in your letter dated June 7, 1991, enlarged by 2008 and is contained in a pocket in- cluded herewith. Those portions of the onsite road system, which will serve as haulroads for the coal trucks have been so designated on the up- dated and enlarged map. The certification of a professional engineer as to the stability of that portion of the road which is not located within the sedi- ment control area is included herewith as Exhibit 4.2-2. The professional engineer's statement also includes information on road fill and cut slopes. PONDS, IMPOUNDMENTS AND DIVERSION W&EST, Inc. has recommended certain modifications for the "rundown chute" from the concrete splitter box just above Pond A. Applicant will perform those modifications by adding additional riprap as recommended. As W&EST, Inc. points out in their recommendation, the problem is a maintenance problem and not something, even if the splitter box was undermined and failed, that jeopardizes the functioning of Pond A. Runoff would con- tinue to flow into Pond A even without the splitter box. Alternative sediment control (small area exemptions) is discussed in the new Exhibit 4.6-1, included herewith. TOPSOIL Earthen material which is stockpiled just north and west of por- tal pad No. 1 has been inspected. This is not topsoil as evidenced by the very large boulders included in the material. ~I ~~II ~l„n ~~~~„'ll