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<br /> <br />Mr. Robert Stack <br />April 22, 1997-Red Canyon Appl. <br />Page 2 <br />vegetation. <br />~~ 4> <br />5) <br />6~ <br /> <br />Rule 6.4.3(h), in conjunction with Exhibit I, allows soils information to be presented <br />on the Exhibit C Map. <br />Rule 6.4.4(a) requires a description of the methods of mining to be employed in <br />each stage of the operation... You are approved to mine 38 acres in two (2) phases. <br />However, you are now proposing to mine the existing 38 acres and a large portion <br />of the amended acreage as Phase I and mine the balance of the proposed amended <br />acreage in Phases II, III and IV . Since the proposed phased areas are much larger <br />than the approved mining plan, will this make a significant difference in the <br />method of mining or in the reclamation plan? <br />6) Rule 6.4.4(c) requires a description of all planned water diversions and <br />~~ ~ 2 impoundments. Please describe how you propose to prevent sediment-laden runoff <br />.~~_ ,?from entering the Red Creek drainage. <br />~",,> 7) Rule 6.4.4(d) requires a description of the size of area(s) to be worked or disturbed <br />l~ at any one time. 'You are currently committed to no more than 12 acres of <br />~ disturbance at any one time. Is it reasonable to assume that this commitment is <br />still valid? <br />8) Rule 6.4.4(e) requires an approximate timetable to describe the mining operation. <br />~ Please comply with (i) and (ii) of this Rule. <br />~~L 9) Rule 6.4.4(g) asks that you identify the primary and secondary commodities to be <br />mined. <br />b1L. 10) Rule 6.4.4(h) asks that you name and describe the intended use of all expected <br />incidental products to be mined. <br />11) The approved mining plan states that the product material will be mined by the <br />drilling and blasting method which will create a series of cuts that will produce at <br />least two (2) benches. Each bench will be between 30 and 40 feet above the next <br />lowest work area. The benches will be approximately 30 feet wide and the overall <br />L slope gradient will be 2:1 (H:~. The operator requested steeper than 2:1 slopes, <br />b` but it does not appear the Division approved the request. <br />The operator is approved to use a crusher, screen(s) and conveyor system to process <br />the product material. Washing the material is not allowed. However, the operator <br />states that washing product material will occur at the site, if the amendment <br />application is approved. This will need to be addressed in Exhibit G. As approved, <br />blasted rock rubble will be pushed down the steep canyon that forms the boundary <br />