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• Recreation <br />1. Aside from surface facility areas, no public land access would be restricted by mining <br />activities. Signs would be posted advising the public of any mining activity and any <br />road construction activity. Cones and gates would be used when necessary to limit <br />access or divert traffic at mine surface facilities. <br />Air Quality <br />1. To control dust emissions, the Operator would cover haul truck beds with tarps for off <br />site transportation of ore. <br />2. To control emissions from vent holes, watering of underground operations would take <br />place to reduce dust generation underground. <br />3. The Operator would spray water or chemical suppressants as needed on the storage <br />piles to reduce fugitive dust. Emissions from the topsoil storage piles would be <br />controlled by vegetation that has been or would be established on the piles. Dust <br />emissions from storage piles must meet the 20 percent opacity limit specified in the <br />Operator's air permit. An EPA-trained employee of the Operator would monitor <br />opacity once every two weeks. <br />4. The Operator would control fugitive dust for the on-site roads by enforcing low speed <br />limits (i.e., 25 mph for haul trucks on the county road) and applying magnesium <br />• chloride, calcium chloride, or equivalent to the haul roads within the mine portal area <br />as needed to reduce fugitive dust. The frequency of chemical suppressant <br />applications would depend on site-specific conditions such as precipitation, road dust <br />silt content, and traffic type and volume. <br />5. The Operator would water or chemically stabilize unpaved roads (i.e. CR 20R) as <br />determined by the Operator and BLM and in conformance with San Miguel County <br />regulations and permit conditions. <br />6. The Operator would restrict vehicular travel vehicles to established roads to the extent <br />practical. <br />7. The Operator would minimize the area of disturbed land. <br />8. The Operator would revegetate disturbed surface areas. <br />Cultural Resources <br />1. If access roads are proposed to be utilized for drilling operations cross through <br />eligible cultural properties, the BLM would require temporary protective fencing <br />during drilling operations (including reclamation) to protect them from surface <br />disturbance or inadvertent damage. A BLM or BLM-permitted archaeologist familiar <br />with the boundaries of these sites would direct the placement of the fencing which <br />would be placed by hand. All fencing would be removed upon the completion of the <br />exploration and associated reclamation activity. <br />• <br />A-5