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A total of 7,400 feet of this public road traverses the mine site. <br />The road is surfaced with 1.5-inch or smaller gravel roadbase <br />. material, 2 feet thick. Average road width is 26 feet. V-ditches, <br />(6' x 2') following the length of the road, are shown in the drainage <br />system, Drawing D-4-6. <br />Improvements to the public road through the mine site were completed <br />as part of the site drainage plan. <br />° The road above the coal waste disposal area was <br />widened as required for haul truck traffic. Any <br />new exposed embankments will be revegetated to <br />comply with the Interim Reclamation Plan. <br />° The entire length of road, as it passes through <br />the permit area, was regraded or built up as <br />required to attain a slope of 1v;20h toward the <br />inside shoulder. A typical section of the road <br />is shown on Drawing D-4-5. <br />i <br />° The road was widened under the conveyor as required to <br />assure that spillage from the splash pan does not reach <br />the outslope of the road. <br />° A minimum 18-inch high berm was constructed on the out- <br />side shoulder of the road, except at crossroad exits. <br />This berm is shown on Drawings D-4-5 and D-4-6. <br />Most private roads serving the mines are dirt roads surfaced with 16 <br />inches of 1.5-inch gravel. They vary in width from 12 to 22 feet. <br />The access roads to the vent fans, (Drawing D-2-1) and to the <br />6,500-gallon surge tank are of compacted earth and receive very little <br />traffic. The road to the surge tank is used about once a year. The <br />vent fan roads are used once daily. The road to the vent fan for Mine <br /> <br />4-14 <br />